Home / 623,901,171.06-861,010,520.13-345,442,719.18

Finding the Fourth Proportional to 623,901,171.06, 861,010,520.13 and 345,442,719.18

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Solution

The fourth proportional to 623,901,171.06, 861,010,520.13 and 345,442,719.18 is: 476,725,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,901,171.06 : 861,010,520.13 = 345,442,719.18 : x
  2. Step 2: Convert to fraction form
    623,901,171.06/861,010,520.13 = 345,442,719.18/x
  3. Step 3: Cross multiply
    623,901,171.06x = 861,010,520.13 × 345,442,719.18
  4. Step 4: Simplify right side
    623,901,171.06x = 297,429,815,316,293,312
  5. Step 5: Solve for x
    x = 297,429,815,316,293,312/623,901,171.06
  6. Step 6: Final answer
    x = 476,725,848.76

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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.