Home / 342,670,587.96-472,428,681.90-272,341,041.96

Finding the Fourth Proportional to 342,670,587.96, 472,428,681.90 and 272,341,041.96

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Solution

The fourth proportional to 342,670,587.96, 472,428,681.90 and 272,341,041.96 is: 375,467,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,670,587.96 : 472,428,681.90 = 272,341,041.96 : x
  2. Step 2: Convert to fraction form
    342,670,587.96/472,428,681.90 = 272,341,041.96/x
  3. Step 3: Cross multiply
    342,670,587.96x = 472,428,681.90 × 272,341,041.96
  4. Step 4: Simplify right side
    342,670,587.96x = 128,661,719,480,435,376
  5. Step 5: Solve for x
    x = 128,661,719,480,435,376/342,670,587.96
  6. Step 6: Final answer
    x = 375,467,647.36

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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.