Home / 711,570,172.02-1,068,044,053.41-343,363,833.42

Finding the Fourth Proportional to 711,570,172.02, 1,068,044,053.41 and 343,363,833.42

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Solution

The fourth proportional to 711,570,172.02, 1,068,044,053.41 and 343,363,833.42 is: 515,378,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,570,172.02 : 1,068,044,053.41 = 343,363,833.42 : x
  2. Step 2: Convert to fraction form
    711,570,172.02/1,068,044,053.41 = 343,363,833.42/x
  3. Step 3: Cross multiply
    711,570,172.02x = 1,068,044,053.41 × 343,363,833.42
  4. Step 4: Simplify right side
    711,570,172.02x = 366,727,700,440,292,800
  5. Step 5: Solve for x
    x = 366,727,700,440,292,800/711,570,172.02
  6. Step 6: Final answer
    x = 515,378,124.13

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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.