Home / 438,464,719.08-657,707,751.18-147,336,061.32

Finding the Fourth Proportional to 438,464,719.08, 657,707,751.18 and 147,336,061.32

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Solution

The fourth proportional to 438,464,719.08, 657,707,751.18 and 147,336,061.32 is: 221,007,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,464,719.08 : 657,707,751.18 = 147,336,061.32 : x
  2. Step 2: Convert to fraction form
    438,464,719.08/657,707,751.18 = 147,336,061.32/x
  3. Step 3: Cross multiply
    438,464,719.08x = 657,707,751.18 × 147,336,061.32
  4. Step 4: Simplify right side
    438,464,719.08x = 96,904,069,558,495,776
  5. Step 5: Solve for x
    x = 96,904,069,558,495,776/438,464,719.08
  6. Step 6: Final answer
    x = 221,007,678.25

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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.