Home / 517,786,139.10-776,679,208.65-314,606,516.70

Finding the Fourth Proportional to 517,786,139.10, 776,679,208.65 and 314,606,516.70

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Solution

The fourth proportional to 517,786,139.10, 776,679,208.65 and 314,606,516.70 is: 471,909,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,786,139.10 : 776,679,208.65 = 314,606,516.70 : x
  2. Step 2: Convert to fraction form
    517,786,139.10/776,679,208.65 = 314,606,516.70/x
  3. Step 3: Cross multiply
    517,786,139.10x = 776,679,208.65 × 314,606,516.70
  4. Step 4: Simplify right side
    517,786,139.10x = 244,348,340,426,688,992
  5. Step 5: Solve for x
    x = 244,348,340,426,688,992/517,786,139.10
  6. Step 6: Final answer
    x = 471,909,775.05

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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.