Home / 1,573,581,597.12-2,171,826,928.80-938,542,841.28

Finding the Fourth Proportional to 1,573,581,597.12, 2,171,826,928.80 and 938,542,841.28

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Solution

The fourth proportional to 1,573,581,597.12, 2,171,826,928.80 and 938,542,841.28 is: 1,295,358,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,581,597.12 : 2,171,826,928.80 = 938,542,841.28 : x
  2. Step 2: Convert to fraction form
    1,573,581,597.12/2,171,826,928.80 = 938,542,841.28/x
  3. Step 3: Cross multiply
    1,573,581,597.12x = 2,171,826,928.80 × 938,542,841.28
  4. Step 4: Simplify right side
    1,573,581,597.12x = 2,038,352,616,524,368,384
  5. Step 5: Solve for x
    x = 2,038,352,616,524,368,384/1,573,581,597.12
  6. Step 6: Final answer
    x = 1,295,358,702.88

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Double scale
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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.