Home / 2,989,592,179.30-4,484,371,956.63-1,218,955,951.18

Finding the Fourth Proportional to 2,989,592,179.30, 4,484,371,956.63 and 1,218,955,951.18

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Solution

The fourth proportional to 2,989,592,179.30, 4,484,371,956.63 and 1,218,955,951.18 is: 1,828,427,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,592,179.30 : 4,484,371,956.63 = 1,218,955,951.18 : x
  2. Step 2: Convert to fraction form
    2,989,592,179.30/4,484,371,956.63 = 1,218,955,951.18/x
  3. Step 3: Cross multiply
    2,989,592,179.30x = 4,484,371,956.63 × 1,218,955,951.18
  4. Step 4: Simplify right side
    2,989,592,179.30x = 5,466,251,883,838,839,808
  5. Step 5: Solve for x
    x = 5,466,251,883,838,839,808/2,989,592,179.30
  6. Step 6: Final answer
    x = 1,828,427,275.70

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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.