Home / 720,046,463.80-1,080,069,695.70-538,647,935.80

Finding the Fourth Proportional to 720,046,463.80, 1,080,069,695.70 and 538,647,935.80

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Solution

The fourth proportional to 720,046,463.80, 1,080,069,695.70 and 538,647,935.80 is: 807,971,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,046,463.80 : 1,080,069,695.70 = 538,647,935.80 : x
  2. Step 2: Convert to fraction form
    720,046,463.80/1,080,069,695.70 = 538,647,935.80/x
  3. Step 3: Cross multiply
    720,046,463.80x = 1,080,069,695.70 × 538,647,935.80
  4. Step 4: Simplify right side
    720,046,463.80x = 581,777,312,108,939,136
  5. Step 5: Solve for x
    x = 581,777,312,108,939,136/720,046,463.80
  6. Step 6: Final answer
    x = 807,971,903.70

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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.