Home / 1,036,638,140.30-1,554,957,210.45-649,217,651.30

Finding the Fourth Proportional to 1,036,638,140.30, 1,554,957,210.45 and 649,217,651.30

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Solution

The fourth proportional to 1,036,638,140.30, 1,554,957,210.45 and 649,217,651.30 is: 973,826,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638,140.30 : 1,554,957,210.45 = 649,217,651.30 : x
  2. Step 2: Convert to fraction form
    1,036,638,140.30/1,554,957,210.45 = 649,217,651.30/x
  3. Step 3: Cross multiply
    1,036,638,140.30x = 1,554,957,210.45 × 649,217,651.30
  4. Step 4: Simplify right side
    1,036,638,140.30x = 1,009,505,668,040,348,800
  5. Step 5: Solve for x
    x = 1,009,505,668,040,348,800/1,036,638,140.30
  6. Step 6: Final answer
    x = 973,826,476.95

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Double scale
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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.