Home / 290,009,117.40-435,013,676.10-175,347,331.80

Finding the Fourth Proportional to 290,009,117.40, 435,013,676.10 and 175,347,331.80

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Solution

The fourth proportional to 290,009,117.40, 435,013,676.10 and 175,347,331.80 is: 263,020,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,009,117.40 : 435,013,676.10 = 175,347,331.80 : x
  2. Step 2: Convert to fraction form
    290,009,117.40/435,013,676.10 = 175,347,331.80/x
  3. Step 3: Cross multiply
    290,009,117.40x = 435,013,676.10 × 175,347,331.80
  4. Step 4: Simplify right side
    290,009,117.40x = 76,278,487,400,644,432
  5. Step 5: Solve for x
    x = 76,278,487,400,644,432/290,009,117.40
  6. Step 6: Final answer
    x = 263,020,997.70

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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.