Home / 654,587,309.03-903,349,619.61-357,248,634.24

Finding the Fourth Proportional to 654,587,309.03, 903,349,619.61 and 357,248,634.24

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Solution

The fourth proportional to 654,587,309.03, 903,349,619.61 and 357,248,634.24 is: 493,013,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,587,309.03 : 903,349,619.61 = 357,248,634.24 : x
  2. Step 2: Convert to fraction form
    654,587,309.03/903,349,619.61 = 357,248,634.24/x
  3. Step 3: Cross multiply
    654,587,309.03x = 903,349,619.61 × 357,248,634.24
  4. Step 4: Simplify right side
    654,587,309.03x = 322,720,417,846,896,064
  5. Step 5: Solve for x
    x = 322,720,417,846,896,064/654,587,309.03
  6. Step 6: Final answer
    x = 493,013,557.39

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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.