Home / 359,684,889.48-496,374,819.71-218,508,079.90

Finding the Fourth Proportional to 359,684,889.48, 496,374,819.71 and 218,508,079.90

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Solution

The fourth proportional to 359,684,889.48, 496,374,819.71 and 218,508,079.90 is: 301,547,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,684,889.48 : 496,374,819.71 = 218,508,079.90 : x
  2. Step 2: Convert to fraction form
    359,684,889.48/496,374,819.71 = 218,508,079.90/x
  3. Step 3: Cross multiply
    359,684,889.48x = 496,374,819.71 × 218,508,079.90
  4. Step 4: Simplify right side
    359,684,889.48x = 108,461,908,765,540,768
  5. Step 5: Solve for x
    x = 108,461,908,765,540,768/359,684,889.48
  6. Step 6: Final answer
    x = 301,547,026.13

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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.