Home / 1,149,554,537.40-1,724,331,806.10-665,825,129.40

Finding the Fourth Proportional to 1,149,554,537.40, 1,724,331,806.10 and 665,825,129.40

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Solution

The fourth proportional to 1,149,554,537.40, 1,724,331,806.10 and 665,825,129.40 is: 998,737,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,554,537.40 : 1,724,331,806.10 = 665,825,129.40 : x
  2. Step 2: Convert to fraction form
    1,149,554,537.40/1,724,331,806.10 = 665,825,129.40/x
  3. Step 3: Cross multiply
    1,149,554,537.40x = 1,724,331,806.10 × 665,825,129.40
  4. Step 4: Simplify right side
    1,149,554,537.40x = 1,148,103,447,925,068,160
  5. Step 5: Solve for x
    x = 1,148,103,447,925,068,160/1,149,554,537.40
  6. Step 6: Final answer
    x = 998,737,694.10

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Half scale
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Double scale
Find fourth proportional to 1,149,554,538.40, 1,724,331,807.60 and 665,825,130.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.