Home / 586,934,928.80-878,312,204.40-511,090,935.20

Finding the Fourth Proportional to 586,934,928.80, 878,312,204.40 and 511,090,935.20

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Solution

The fourth proportional to 586,934,928.80, 878,312,204.40 and 511,090,935.20 is: 764,816,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,934,928.80 : 878,312,204.40 = 511,090,935.20 : x
  2. Step 2: Convert to fraction form
    586,934,928.80/878,312,204.40 = 511,090,935.20/x
  3. Step 3: Cross multiply
    586,934,928.80x = 878,312,204.40 × 511,090,935.20
  4. Step 4: Simplify right side
    586,934,928.80x = 448,897,405,944,369,536
  5. Step 5: Solve for x
    x = 448,897,405,944,369,536/586,934,928.80
  6. Step 6: Final answer
    x = 764,816,309.13

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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.