Home / 724,480,826.14-1,086,835,582.07-309,960,333.72

Finding the Fourth Proportional to 724,480,826.14, 1,086,835,582.07 and 309,960,333.72

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Solution

The fourth proportional to 724,480,826.14, 1,086,835,582.07 and 309,960,333.72 is: 464,989,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,480,826.14 : 1,086,835,582.07 = 309,960,333.72 : x
  2. Step 2: Convert to fraction form
    724,480,826.14/1,086,835,582.07 = 309,960,333.72/x
  3. Step 3: Cross multiply
    724,480,826.14x = 1,086,835,582.07 × 309,960,333.72
  4. Step 4: Simplify right side
    724,480,826.14x = 336,875,919,720,729,472
  5. Step 5: Solve for x
    x = 336,875,919,720,729,472/724,480,826.14
  6. Step 6: Final answer
    x = 464,989,420.79

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Double scale
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1.5x scale

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.