Home / 477,128,681.20-715,693,021.80-354,684,674.80

Finding the Fourth Proportional to 477,128,681.20, 715,693,021.80 and 354,684,674.80

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Solution

The fourth proportional to 477,128,681.20, 715,693,021.80 and 354,684,674.80 is: 532,027,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,128,681.20 : 715,693,021.80 = 354,684,674.80 : x
  2. Step 2: Convert to fraction form
    477,128,681.20/715,693,021.80 = 354,684,674.80/x
  3. Step 3: Cross multiply
    477,128,681.20x = 715,693,021.80 × 354,684,674.80
  4. Step 4: Simplify right side
    477,128,681.20x = 253,845,346,693,762,304
  5. Step 5: Solve for x
    x = 253,845,346,693,762,304/477,128,681.20
  6. Step 6: Final answer
    x = 532,027,012.20

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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.