Home / 1,417,178,001.20-2,125,767,001.80-496,934,765.60

Finding the Fourth Proportional to 1,417,178,001.20, 2,125,767,001.80 and 496,934,765.60

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Solution

The fourth proportional to 1,417,178,001.20, 2,125,767,001.80 and 496,934,765.60 is: 745,402,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,178,001.20 : 2,125,767,001.80 = 496,934,765.60 : x
  2. Step 2: Convert to fraction form
    1,417,178,001.20/2,125,767,001.80 = 496,934,765.60/x
  3. Step 3: Cross multiply
    1,417,178,001.20x = 2,125,767,001.80 × 496,934,765.60
  4. Step 4: Simplify right side
    1,417,178,001.20x = 1,056,367,526,759,697,792
  5. Step 5: Solve for x
    x = 1,056,367,526,759,697,792/1,417,178,001.20
  6. Step 6: Final answer
    x = 745,402,148.40

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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.