Home / 1,512,128,468.40-2,265,641,785.80-734,098,844.40

Finding the Fourth Proportional to 1,512,128,468.40, 2,265,641,785.80 and 734,098,844.40

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Solution

The fourth proportional to 1,512,128,468.40, 2,265,641,785.80 and 734,098,844.40 is: 1,099,909,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,128,468.40 : 2,265,641,785.80 = 734,098,844.40 : x
  2. Step 2: Convert to fraction form
    1,512,128,468.40/2,265,641,785.80 = 734,098,844.40/x
  3. Step 3: Cross multiply
    1,512,128,468.40x = 2,265,641,785.80 × 734,098,844.40
  4. Step 4: Simplify right side
    1,512,128,468.40x = 1,663,205,016,780,132,352
  5. Step 5: Solve for x
    x = 1,663,205,016,780,132,352/1,512,128,468.40
  6. Step 6: Final answer
    x = 1,099,909,863.17

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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.