Home / 650,109,341.72-975,161,383.05-235,489,128.86

Finding the Fourth Proportional to 650,109,341.72, 975,161,383.05 and 235,489,128.86

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Solution

The fourth proportional to 650,109,341.72, 975,161,383.05 and 235,489,128.86 is: 353,232,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,109,341.72 : 975,161,383.05 = 235,489,128.86 : x
  2. Step 2: Convert to fraction form
    650,109,341.72/975,161,383.05 = 235,489,128.86/x
  3. Step 3: Cross multiply
    650,109,341.72x = 975,161,383.05 × 235,489,128.86
  4. Step 4: Simplify right side
    650,109,341.72x = 229,639,904,592,357,280
  5. Step 5: Solve for x
    x = 229,639,904,592,357,280/650,109,341.72
  6. Step 6: Final answer
    x = 353,232,740.80

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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.