Home / 477,128,467.20-715,692,700.80-354,684,460.80

Finding the Fourth Proportional to 477,128,467.20, 715,692,700.80 and 354,684,460.80

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Solution

The fourth proportional to 477,128,467.20, 715,692,700.80 and 354,684,460.80 is: 532,026,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,128,467.20 : 715,692,700.80 = 354,684,460.80 : x
  2. Step 2: Convert to fraction form
    477,128,467.20/715,692,700.80 = 354,684,460.80/x
  3. Step 3: Cross multiply
    477,128,467.20x = 715,692,700.80 × 354,684,460.80
  4. Step 4: Simplify right side
    477,128,467.20x = 253,845,079,681,743,712
  5. Step 5: Solve for x
    x = 253,845,079,681,743,712/477,128,467.20
  6. Step 6: Final answer
    x = 532,026,691.20

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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.