Home / 784,616,732.85-1,176,925,099.28-662,172,726.45

Finding the Fourth Proportional to 784,616,732.85, 1,176,925,099.28 and 662,172,726.45

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Solution

The fourth proportional to 784,616,732.85, 1,176,925,099.28 and 662,172,726.45 is: 993,259,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,616,732.85 : 1,176,925,099.28 = 662,172,726.45 : x
  2. Step 2: Convert to fraction form
    784,616,732.85/1,176,925,099.28 = 662,172,726.45/x
  3. Step 3: Cross multiply
    784,616,732.85x = 1,176,925,099.28 × 662,172,726.45
  4. Step 4: Simplify right side
    784,616,732.85x = 779,327,701,814,363,776
  5. Step 5: Solve for x
    x = 779,327,701,814,363,776/784,616,732.85
  6. Step 6: Final answer
    x = 993,259,089.68

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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.