Home / 1,276,822,045.50-1,762,015,178.47-712,306,929.04

Finding the Fourth Proportional to 1,276,822,045.50, 1,762,015,178.47 and 712,306,929.04

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Solution

The fourth proportional to 1,276,822,045.50, 1,762,015,178.47 and 712,306,929.04 is: 982,983,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,822,045.50 : 1,762,015,178.47 = 712,306,929.04 : x
  2. Step 2: Convert to fraction form
    1,276,822,045.50/1,762,015,178.47 = 712,306,929.04/x
  3. Step 3: Cross multiply
    1,276,822,045.50x = 1,762,015,178.47 × 712,306,929.04
  4. Step 4: Simplify right side
    1,276,822,045.50x = 1,255,095,620,691,006,464
  5. Step 5: Solve for x
    x = 1,255,095,620,691,006,464/1,276,822,045.50
  6. Step 6: Final answer
    x = 982,983,983.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.