Home / 1,088,972,117.10-1,634,095,904.85-398,949,122.70

Finding the Fourth Proportional to 1,088,972,117.10, 1,634,095,904.85 and 398,949,122.70

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Solution

The fourth proportional to 1,088,972,117.10, 1,634,095,904.85 and 398,949,122.70 is: 598,657,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,972,117.10 : 1,634,095,904.85 = 398,949,122.70 : x
  2. Step 2: Convert to fraction form
    1,088,972,117.10/1,634,095,904.85 = 398,949,122.70/x
  3. Step 3: Cross multiply
    1,088,972,117.10x = 1,634,095,904.85 × 398,949,122.70
  4. Step 4: Simplify right side
    1,088,972,117.10x = 651,921,127,647,570,176
  5. Step 5: Solve for x
    x = 651,921,127,647,570,176/1,088,972,117.10
  6. Step 6: Final answer
    x = 598,657,318.59

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Double scale
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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.