Home / 608,215,470.30-839,353,876.02-343,937,001.42

Finding the Fourth Proportional to 608,215,470.30, 839,353,876.02 and 343,937,001.42

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Solution

The fourth proportional to 608,215,470.30, 839,353,876.02 and 343,937,001.42 is: 474,642,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,215,470.30 : 839,353,876.02 = 343,937,001.42 : x
  2. Step 2: Convert to fraction form
    608,215,470.30/839,353,876.02 = 343,937,001.42/x
  3. Step 3: Cross multiply
    608,215,470.30x = 839,353,876.02 × 343,937,001.42
  4. Step 4: Simplify right side
    608,215,470.30x = 288,684,855,248,573,248
  5. Step 5: Solve for x
    x = 288,684,855,248,573,248/608,215,470.30
  6. Step 6: Final answer
    x = 474,642,407.74

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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.