Home / 571,114,303.38-787,847,640.66-372,991,770.18

Finding the Fourth Proportional to 571,114,303.38, 787,847,640.66 and 372,991,770.18

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Solution

The fourth proportional to 571,114,303.38, 787,847,640.66 and 372,991,770.18 is: 514,539,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,114,303.38 : 787,847,640.66 = 372,991,770.18 : x
  2. Step 2: Convert to fraction form
    571,114,303.38/787,847,640.66 = 372,991,770.18/x
  3. Step 3: Cross multiply
    571,114,303.38x = 787,847,640.66 × 372,991,770.18
  4. Step 4: Simplify right side
    571,114,303.38x = 293,860,686,121,909,952
  5. Step 5: Solve for x
    x = 293,860,686,121,909,952/571,114,303.38
  6. Step 6: Final answer
    x = 514,539,181.36

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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.