Home / 1,691,197,818.30-2,536,796,727.45-1,201,421,792.70

Finding the Fourth Proportional to 1,691,197,818.30, 2,536,796,727.45 and 1,201,421,792.70

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Solution

The fourth proportional to 1,691,197,818.30, 2,536,796,727.45 and 1,201,421,792.70 is: 1,802,132,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,197,818.30 : 2,536,796,727.45 = 1,201,421,792.70 : x
  2. Step 2: Convert to fraction form
    1,691,197,818.30/2,536,796,727.45 = 1,201,421,792.70/x
  3. Step 3: Cross multiply
    1,691,197,818.30x = 2,536,796,727.45 × 1,201,421,792.70
  4. Step 4: Simplify right side
    1,691,197,818.30x = 3,047,762,872,008,472,064
  5. Step 5: Solve for x
    x = 3,047,762,872,008,472,064/1,691,197,818.30
  6. Step 6: Final answer
    x = 1,802,132,689.05

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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.