Home / 1,281,931,320.60-1,922,896,980.90-1,195,934,981.40

Finding the Fourth Proportional to 1,281,931,320.60, 1,922,896,980.90 and 1,195,934,981.40

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Solution

The fourth proportional to 1,281,931,320.60, 1,922,896,980.90 and 1,195,934,981.40 is: 1,793,902,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,931,320.60 : 1,922,896,980.90 = 1,195,934,981.40 : x
  2. Step 2: Convert to fraction form
    1,281,931,320.60/1,922,896,980.90 = 1,195,934,981.40/x
  3. Step 3: Cross multiply
    1,281,931,320.60x = 1,922,896,980.90 × 1,195,934,981.40
  4. Step 4: Simplify right side
    1,281,931,320.60x = 2,299,659,765,086,757,888
  5. Step 5: Solve for x
    x = 2,299,659,765,086,757,888/1,281,931,320.60
  6. Step 6: Final answer
    x = 1,793,902,472.10

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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.