Home / 517,808,951.52-776,708,112.86-299,320,270.40

Finding the Fourth Proportional to 517,808,951.52, 776,708,112.86 and 299,320,270.40

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Solution

The fourth proportional to 517,808,951.52, 776,708,112.86 and 299,320,270.40 is: 448,977,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,808,951.52 : 776,708,112.86 = 299,320,270.40 : x
  2. Step 2: Convert to fraction form
    517,808,951.52/776,708,112.86 = 299,320,270.40/x
  3. Step 3: Cross multiply
    517,808,951.52x = 776,708,112.86 × 299,320,270.40
  4. Step 4: Simplify right side
    517,808,951.52x = 232,484,482,362,013,600
  5. Step 5: Solve for x
    x = 232,484,482,362,013,600/517,808,951.52
  6. Step 6: Final answer
    x = 448,977,333.59

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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.