Home / 3,807,870,147.70-5,711,805,221.55-2,172,260,086.90

Finding the Fourth Proportional to 3,807,870,147.70, 5,711,805,221.55 and 2,172,260,086.90

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Solution

The fourth proportional to 3,807,870,147.70, 5,711,805,221.55 and 2,172,260,086.90 is: 3,258,390,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807,870,147.70 : 5,711,805,221.55 = 2,172,260,086.90 : x
  2. Step 2: Convert to fraction form
    3,807,870,147.70/5,711,805,221.55 = 2,172,260,086.90/x
  3. Step 3: Cross multiply
    3,807,870,147.70x = 5,711,805,221.55 × 2,172,260,086.90
  4. Step 4: Simplify right side
    3,807,870,147.70x = 12,407,526,506,920,077,312
  5. Step 5: Solve for x
    x = 12,407,526,506,920,077,312/3,807,870,147.70
  6. Step 6: Final answer
    x = 3,258,390,130.35

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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.