Home / 1,303,746,140.70-1,955,619,211.05-997,636,124.70

Finding the Fourth Proportional to 1,303,746,140.70, 1,955,619,211.05 and 997,636,124.70

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Solution

The fourth proportional to 1,303,746,140.70, 1,955,619,211.05 and 997,636,124.70 is: 1,496,454,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,746,140.70 : 1,955,619,211.05 = 997,636,124.70 : x
  2. Step 2: Convert to fraction form
    1,303,746,140.70/1,955,619,211.05 = 997,636,124.70/x
  3. Step 3: Cross multiply
    1,303,746,140.70x = 1,955,619,211.05 × 997,636,124.70
  4. Step 4: Simplify right side
    1,303,746,140.70x = 1,950,996,371,100,793,344
  5. Step 5: Solve for x
    x = 1,950,996,371,100,793,344/1,303,746,140.70
  6. Step 6: Final answer
    x = 1,496,454,187.05

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Double scale
Find fourth proportional to 1,303,746,141.70, 1,955,619,212.55 and 997,636,125.70
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.