Home / 564,711,825.92-779,321,222.40-313,826,793.08

Finding the Fourth Proportional to 564,711,825.92, 779,321,222.40 and 313,826,793.08

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Solution

The fourth proportional to 564,711,825.92, 779,321,222.40 and 313,826,793.08 is: 433,091,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,711,825.92 : 779,321,222.40 = 313,826,793.08 : x
  2. Step 2: Convert to fraction form
    564,711,825.92/779,321,222.40 = 313,826,793.08/x
  3. Step 3: Cross multiply
    564,711,825.92x = 779,321,222.40 × 313,826,793.08
  4. Step 4: Simplify right side
    564,711,825.92x = 244,571,880,004,977,440
  5. Step 5: Solve for x
    x = 244,571,880,004,977,440/564,711,825.92
  6. Step 6: Final answer
    x = 433,091,479.19

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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.