Home / 787,968,333.20-1,181,952,499.80-497,730,688.40

Finding the Fourth Proportional to 787,968,333.20, 1,181,952,499.80 and 497,730,688.40

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Solution

The fourth proportional to 787,968,333.20, 1,181,952,499.80 and 497,730,688.40 is: 746,596,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,968,333.20 : 1,181,952,499.80 = 497,730,688.40 : x
  2. Step 2: Convert to fraction form
    787,968,333.20/1,181,952,499.80 = 497,730,688.40/x
  3. Step 3: Cross multiply
    787,968,333.20x = 1,181,952,499.80 × 497,730,688.40
  4. Step 4: Simplify right side
    787,968,333.20x = 588,294,031,381,554,816
  5. Step 5: Solve for x
    x = 588,294,031,381,554,816/787,968,333.20
  6. Step 6: Final answer
    x = 746,596,032.60

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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.