Home / 559,422,300.13-772,057,323.42-418,048,031.79

Finding the Fourth Proportional to 559,422,300.13, 772,057,323.42 and 418,048,031.79

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Solution

The fourth proportional to 559,422,300.13, 772,057,323.42 and 418,048,031.79 is: 576,947,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,422,300.13 : 772,057,323.42 = 418,048,031.79 : x
  2. Step 2: Convert to fraction form
    559,422,300.13/772,057,323.42 = 418,048,031.79/x
  3. Step 3: Cross multiply
    559,422,300.13x = 772,057,323.42 × 418,048,031.79
  4. Step 4: Simplify right side
    559,422,300.13x = 322,757,044,484,786,496
  5. Step 5: Solve for x
    x = 322,757,044,484,786,496/559,422,300.13
  6. Step 6: Final answer
    x = 576,947,047.71

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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.