Home / 667,784,362.36-1,001,676,574.70-457,487,678.18

Finding the Fourth Proportional to 667,784,362.36, 1,001,676,574.70 and 457,487,678.18

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Solution

The fourth proportional to 667,784,362.36, 1,001,676,574.70 and 457,487,678.18 is: 686,231,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,362.36 : 1,001,676,574.70 = 457,487,678.18 : x
  2. Step 2: Convert to fraction form
    667,784,362.36/1,001,676,574.70 = 457,487,678.18/x
  3. Step 3: Cross multiply
    667,784,362.36x = 1,001,676,574.70 × 457,487,678.18
  4. Step 4: Simplify right side
    667,784,362.36x = 458,254,690,446,798,336
  5. Step 5: Solve for x
    x = 458,254,690,446,798,336/667,784,362.36
  6. Step 6: Final answer
    x = 686,231,538.62

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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.