Home / 551,738,158.78-761,583,161.80-328,789,752.74

Finding the Fourth Proportional to 551,738,158.78, 761,583,161.80 and 328,789,752.74

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Solution

The fourth proportional to 551,738,158.78, 761,583,161.80 and 328,789,752.74 is: 453,839,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,738,158.78 : 761,583,161.80 = 328,789,752.74 : x
  2. Step 2: Convert to fraction form
    551,738,158.78/761,583,161.80 = 328,789,752.74/x
  3. Step 3: Cross multiply
    551,738,158.78x = 761,583,161.80 × 328,789,752.74
  4. Step 4: Simplify right side
    551,738,158.78x = 250,400,739,459,169,408
  5. Step 5: Solve for x
    x = 250,400,739,459,169,408/551,738,158.78
  6. Step 6: Final answer
    x = 453,839,806.93

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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.