Home / 517,786,334.60-776,679,501.90-314,606,712.20

Finding the Fourth Proportional to 517,786,334.60, 776,679,501.90 and 314,606,712.20

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Solution

The fourth proportional to 517,786,334.60, 776,679,501.90 and 314,606,712.20 is: 471,910,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,786,334.60 : 776,679,501.90 = 314,606,712.20 : x
  2. Step 2: Convert to fraction form
    517,786,334.60/776,679,501.90 = 314,606,712.20/x
  3. Step 3: Cross multiply
    517,786,334.60x = 776,679,501.90 × 314,606,712.20
  4. Step 4: Simplify right side
    517,786,334.60x = 244,348,584,525,892,640
  5. Step 5: Solve for x
    x = 244,348,584,525,892,640/517,786,334.60
  6. Step 6: Final answer
    x = 471,910,068.30

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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.