Home / 1,557,145,439.70-2,335,718,159.55-466,486,790.10

Finding the Fourth Proportional to 1,557,145,439.70, 2,335,718,159.55 and 466,486,790.10

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Solution

The fourth proportional to 1,557,145,439.70, 2,335,718,159.55 and 466,486,790.10 is: 699,730,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,145,439.70 : 2,335,718,159.55 = 466,486,790.10 : x
  2. Step 2: Convert to fraction form
    1,557,145,439.70/2,335,718,159.55 = 466,486,790.10/x
  3. Step 3: Cross multiply
    1,557,145,439.70x = 2,335,718,159.55 × 466,486,790.10
  4. Step 4: Simplify right side
    1,557,145,439.70x = 1,089,581,666,826,759,296
  5. Step 5: Solve for x
    x = 1,089,581,666,826,759,296/1,557,145,439.70
  6. Step 6: Final answer
    x = 699,730,185.15

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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.