Home / 293,511,432.36-440,387,832.22-129,662,714.28

Finding the Fourth Proportional to 293,511,432.36, 440,387,832.22 and 129,662,714.28

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Solution

The fourth proportional to 293,511,432.36, 440,387,832.22 and 129,662,714.28 is: 194,547,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,511,432.36 : 440,387,832.22 = 129,662,714.28 : x
  2. Step 2: Convert to fraction form
    293,511,432.36/440,387,832.22 = 129,662,714.28/x
  3. Step 3: Cross multiply
    293,511,432.36x = 440,387,832.22 × 129,662,714.28
  4. Step 4: Simplify right side
    293,511,432.36x = 57,101,881,661,530,440
  5. Step 5: Solve for x
    x = 57,101,881,661,530,440/293,511,432.36
  6. Step 6: Final answer
    x = 194,547,385.10

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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.