Home / 898,476,626.52-1,239,961,905.54-496,581,729.93

Finding the Fourth Proportional to 898,476,626.52, 1,239,961,905.54 and 496,581,729.93

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Solution

The fourth proportional to 898,476,626.52, 1,239,961,905.54 and 496,581,729.93 is: 685,318,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,476,626.52 : 1,239,961,905.54 = 496,581,729.93 : x
  2. Step 2: Convert to fraction form
    898,476,626.52/1,239,961,905.54 = 496,581,729.93/x
  3. Step 3: Cross multiply
    898,476,626.52x = 1,239,961,905.54 × 496,581,729.93
  4. Step 4: Simplify right side
    898,476,626.52x = 615,742,428,100,352,384
  5. Step 5: Solve for x
    x = 615,742,428,100,352,384/898,476,626.52
  6. Step 6: Final answer
    x = 685,318,248.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.