Home / 517,743,068.64-776,617,506-172,695,748.56

Finding the Fourth Proportional to 517,743,068.64, 776,617,506 and 172,695,748.56

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Solution

The fourth proportional to 517,743,068.64, 776,617,506 and 172,695,748.56 is: 259,044,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,743,068.64 : 776,617,506 = 172,695,748.56 : x
  2. Step 2: Convert to fraction form
    517,743,068.64/776,617,506 = 172,695,748.56/x
  3. Step 3: Cross multiply
    517,743,068.64x = 776,617,506 × 172,695,748.56
  4. Step 4: Simplify right side
    517,743,068.64x = 134,118,541,543,470,288
  5. Step 5: Solve for x
    x = 134,118,541,543,470,288/517,743,068.64
  6. Step 6: Final answer
    x = 259,044,591.16

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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.