Home / 727,868,727.20-1,091,803,090.80-452,369,712.80

Finding the Fourth Proportional to 727,868,727.20, 1,091,803,090.80 and 452,369,712.80

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Solution

The fourth proportional to 727,868,727.20, 1,091,803,090.80 and 452,369,712.80 is: 678,554,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,868,727.20 : 1,091,803,090.80 = 452,369,712.80 : x
  2. Step 2: Convert to fraction form
    727,868,727.20/1,091,803,090.80 = 452,369,712.80/x
  3. Step 3: Cross multiply
    727,868,727.20x = 1,091,803,090.80 × 452,369,712.80
  4. Step 4: Simplify right side
    727,868,727.20x = 493,898,650,619,348,288
  5. Step 5: Solve for x
    x = 493,898,650,619,348,288/727,868,727.20
  6. Step 6: Final answer
    x = 678,554,569.20

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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.