Home / 693,041,726.84-956,444,506.74-391,522,462.11

Finding the Fourth Proportional to 693,041,726.84, 956,444,506.74 and 391,522,462.11

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Solution

The fourth proportional to 693,041,726.84, 956,444,506.74 and 391,522,462.11 is: 540,327,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,041,726.84 : 956,444,506.74 = 391,522,462.11 : x
  2. Step 2: Convert to fraction form
    693,041,726.84/956,444,506.74 = 391,522,462.11/x
  3. Step 3: Cross multiply
    693,041,726.84x = 956,444,506.74 × 391,522,462.11
  4. Step 4: Simplify right side
    693,041,726.84x = 374,469,508,150,429,312
  5. Step 5: Solve for x
    x = 374,469,508,150,429,312/693,041,726.84
  6. Step 6: Final answer
    x = 540,327,506.48

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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.