Home / 1,642,011,125.80-2,459,582,807.10-769,357,301.80

Finding the Fourth Proportional to 1,642,011,125.80, 2,459,582,807.10 and 769,357,301.80

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Solution

The fourth proportional to 1,642,011,125.80, 2,459,582,807.10 and 769,357,301.80 is: 1,152,427,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,011,125.80 : 2,459,582,807.10 = 769,357,301.80 : x
  2. Step 2: Convert to fraction form
    1,642,011,125.80/2,459,582,807.10 = 769,357,301.80/x
  3. Step 3: Cross multiply
    1,642,011,125.80x = 2,459,582,807.10 × 769,357,301.80
  4. Step 4: Simplify right side
    1,642,011,125.80x = 1,892,297,992,024,125,696
  5. Step 5: Solve for x
    x = 1,892,297,992,024,125,696/1,642,011,125.80
  6. Step 6: Final answer
    x = 1,152,427,022.14

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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.