Home / 343,538,542.20-514,971,890.10-307,258,836.60

Finding the Fourth Proportional to 343,538,542.20, 514,971,890.10 and 307,258,836.60

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Solution

The fourth proportional to 343,538,542.20, 514,971,890.10 and 307,258,836.60 is: 460,587,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,538,542.20 : 514,971,890.10 = 307,258,836.60 : x
  2. Step 2: Convert to fraction form
    343,538,542.20/514,971,890.10 = 307,258,836.60/x
  3. Step 3: Cross multiply
    343,538,542.20x = 514,971,890.10 × 307,258,836.60
  4. Step 4: Simplify right side
    343,538,542.20x = 158,229,663,833,829,088
  5. Step 5: Solve for x
    x = 158,229,663,833,829,088/343,538,542.20
  6. Step 6: Final answer
    x = 460,587,807.18

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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.