Home / 868,920,322.16-1,199,101,614.36-472,443,306.32

Finding the Fourth Proportional to 868,920,322.16, 1,199,101,614.36 and 472,443,306.32

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Solution

The fourth proportional to 868,920,322.16, 1,199,101,614.36 and 472,443,306.32 is: 651,967,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,920,322.16 : 1,199,101,614.36 = 472,443,306.32 : x
  2. Step 2: Convert to fraction form
    868,920,322.16/1,199,101,614.36 = 472,443,306.32/x
  3. Step 3: Cross multiply
    868,920,322.16x = 1,199,101,614.36 × 472,443,306.32
  4. Step 4: Simplify right side
    868,920,322.16x = 566,507,531,301,887,936
  5. Step 5: Solve for x
    x = 566,507,531,301,887,936/868,920,322.16
  6. Step 6: Final answer
    x = 651,967,179.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.