Home / 465,710,029.80-698,565,044.70-138,236,085.60

Finding the Fourth Proportional to 465,710,029.80, 698,565,044.70 and 138,236,085.60

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Solution

The fourth proportional to 465,710,029.80, 698,565,044.70 and 138,236,085.60 is: 207,354,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,710,029.80 : 698,565,044.70 = 138,236,085.60 : x
  2. Step 2: Convert to fraction form
    465,710,029.80/698,565,044.70 = 138,236,085.60/x
  3. Step 3: Cross multiply
    465,710,029.80x = 698,565,044.70 × 138,236,085.60
  4. Step 4: Simplify right side
    465,710,029.80x = 96,566,897,316,317,024
  5. Step 5: Solve for x
    x = 96,566,897,316,317,024/465,710,029.80
  6. Step 6: Final answer
    x = 207,354,128.40

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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.