Home / 749,518,598.79-1,034,367,989.45-414,991,128.15

Finding the Fourth Proportional to 749,518,598.79, 1,034,367,989.45 and 414,991,128.15

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Solution

The fourth proportional to 749,518,598.79, 1,034,367,989.45 and 414,991,128.15 is: 572,705,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,518,598.79 : 1,034,367,989.45 = 414,991,128.15 : x
  2. Step 2: Convert to fraction form
    749,518,598.79/1,034,367,989.45 = 414,991,128.15/x
  3. Step 3: Cross multiply
    749,518,598.79x = 1,034,367,989.45 × 414,991,128.15
  4. Step 4: Simplify right side
    749,518,598.79x = 429,253,538,862,027,840
  5. Step 5: Solve for x
    x = 429,253,538,862,027,840/749,518,598.79
  6. Step 6: Final answer
    x = 572,705,653.41

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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.