Home / 1,357,240,981.60-2,035,861,472.40-668,493,445.60

Finding the Fourth Proportional to 1,357,240,981.60, 2,035,861,472.40 and 668,493,445.60

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Solution

The fourth proportional to 1,357,240,981.60, 2,035,861,472.40 and 668,493,445.60 is: 1,002,740,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,240,981.60 : 2,035,861,472.40 = 668,493,445.60 : x
  2. Step 2: Convert to fraction form
    1,357,240,981.60/2,035,861,472.40 = 668,493,445.60/x
  3. Step 3: Cross multiply
    1,357,240,981.60x = 2,035,861,472.40 × 668,493,445.60
  4. Step 4: Simplify right side
    1,357,240,981.60x = 1,360,960,050,448,965,376
  5. Step 5: Solve for x
    x = 1,360,960,050,448,965,376/1,357,240,981.60
  6. Step 6: Final answer
    x = 1,002,740,168.40

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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.