Home / 976,787,711.70-1,465,181,567.55-249,776,423.70

Finding the Fourth Proportional to 976,787,711.70, 1,465,181,567.55 and 249,776,423.70

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Solution

The fourth proportional to 976,787,711.70, 1,465,181,567.55 and 249,776,423.70 is: 374,664,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,787,711.70 : 1,465,181,567.55 = 249,776,423.70 : x
  2. Step 2: Convert to fraction form
    976,787,711.70/1,465,181,567.55 = 249,776,423.70/x
  3. Step 3: Cross multiply
    976,787,711.70x = 1,465,181,567.55 × 249,776,423.70
  4. Step 4: Simplify right side
    976,787,711.70x = 365,967,812,013,798,912
  5. Step 5: Solve for x
    x = 365,967,812,013,798,912/976,787,711.70
  6. Step 6: Final answer
    x = 374,664,635.55

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Double scale
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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.