Home / 422,026,167.60-633,039,251.40-260,783,031.60

Finding the Fourth Proportional to 422,026,167.60, 633,039,251.40 and 260,783,031.60

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Solution

The fourth proportional to 422,026,167.60, 633,039,251.40 and 260,783,031.60 is: 391,174,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,026,167.60 : 633,039,251.40 = 260,783,031.60 : x
  2. Step 2: Convert to fraction form
    422,026,167.60/633,039,251.40 = 260,783,031.60/x
  3. Step 3: Cross multiply
    422,026,167.60x = 633,039,251.40 × 260,783,031.60
  4. Step 4: Simplify right side
    422,026,167.60x = 165,085,895,101,886,528
  5. Step 5: Solve for x
    x = 165,085,895,101,886,528/422,026,167.60
  6. Step 6: Final answer
    x = 391,174,547.40

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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.