Home / 590,438,688.30-885,315,387.36-279,543,694.20

Finding the Fourth Proportional to 590,438,688.30, 885,315,387.36 and 279,543,694.20

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Solution

The fourth proportional to 590,438,688.30, 885,315,387.36 and 279,543,694.20 is: 419,153,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,438,688.30 : 885,315,387.36 = 279,543,694.20 : x
  2. Step 2: Convert to fraction form
    590,438,688.30/885,315,387.36 = 279,543,694.20/x
  3. Step 3: Cross multiply
    590,438,688.30x = 885,315,387.36 × 279,543,694.20
  4. Step 4: Simplify right side
    590,438,688.30x = 247,484,333,914,718,368
  5. Step 5: Solve for x
    x = 247,484,333,914,718,368/590,438,688.30
  6. Step 6: Final answer
    x = 419,153,315.69

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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.