Home / 382,677,444.13-527,812,927.78-288,595,555.93

Finding the Fourth Proportional to 382,677,444.13, 527,812,927.78 and 288,595,555.93

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Solution

The fourth proportional to 382,677,444.13, 527,812,927.78 and 288,595,555.93 is: 398,049,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,677,444.13 : 527,812,927.78 = 288,595,555.93 : x
  2. Step 2: Convert to fraction form
    382,677,444.13/527,812,927.78 = 288,595,555.93/x
  3. Step 3: Cross multiply
    382,677,444.13x = 527,812,927.78 × 288,595,555.93
  4. Step 4: Simplify right side
    382,677,444.13x = 152,324,465,319,710,048
  5. Step 5: Solve for x
    x = 152,324,465,319,710,048/382,677,444.13
  6. Step 6: Final answer
    x = 398,049,238.74

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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.