Home / 288,187,001.92-397,693,315.08-156,026,941.84

Finding the Fourth Proportional to 288,187,001.92, 397,693,315.08 and 156,026,941.84

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Solution

The fourth proportional to 288,187,001.92, 397,693,315.08 and 156,026,941.84 is: 215,314,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,187,001.92 : 397,693,315.08 = 156,026,941.84 : x
  2. Step 2: Convert to fraction form
    288,187,001.92/397,693,315.08 = 156,026,941.84/x
  3. Step 3: Cross multiply
    288,187,001.92x = 397,693,315.08 × 156,026,941.84
  4. Step 4: Simplify right side
    288,187,001.92x = 62,050,871,742,641,072
  5. Step 5: Solve for x
    x = 62,050,871,742,641,072/288,187,001.92
  6. Step 6: Final answer
    x = 215,314,609.36

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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.