Home / 426,184,446.10-639,276,669.15-153,564,106.90

Finding the Fourth Proportional to 426,184,446.10, 639,276,669.15 and 153,564,106.90

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Solution

The fourth proportional to 426,184,446.10, 639,276,669.15 and 153,564,106.90 is: 230,346,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,184,446.10 : 639,276,669.15 = 153,564,106.90 : x
  2. Step 2: Convert to fraction form
    426,184,446.10/639,276,669.15 = 153,564,106.90/x
  3. Step 3: Cross multiply
    426,184,446.10x = 639,276,669.15 × 153,564,106.90
  4. Step 4: Simplify right side
    426,184,446.10x = 98,169,950,760,026,528
  5. Step 5: Solve for x
    x = 98,169,950,760,026,528/426,184,446.10
  6. Step 6: Final answer
    x = 230,346,160.35

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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.