Home / 655,277,081.18-904,276,998-357,919,512.98

Finding the Fourth Proportional to 655,277,081.18, 904,276,998 and 357,919,512.98

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Solution

The fourth proportional to 655,277,081.18, 904,276,998 and 357,919,512.98 is: 493,925,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,277,081.18 : 904,276,998 = 357,919,512.98 : x
  2. Step 2: Convert to fraction form
    655,277,081.18/904,276,998 = 357,919,512.98/x
  3. Step 3: Cross multiply
    655,277,081.18x = 904,276,998 × 357,919,512.98
  4. Step 4: Simplify right side
    655,277,081.18x = 323,658,382,718,655,040
  5. Step 5: Solve for x
    x = 323,658,382,718,655,040/655,277,081.18
  6. Step 6: Final answer
    x = 493,925,992.56

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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.