Home / 415,255,106.82-622,944,596.76-152,919,486.87

Finding the Fourth Proportional to 415,255,106.82, 622,944,596.76 and 152,919,486.87

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Solution

The fourth proportional to 415,255,106.82, 622,944,596.76 and 152,919,486.87 is: 229,402,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,255,106.82 : 622,944,596.76 = 152,919,486.87 : x
  2. Step 2: Convert to fraction form
    415,255,106.82/622,944,596.76 = 152,919,486.87/x
  3. Step 3: Cross multiply
    415,255,106.82x = 622,944,596.76 × 152,919,486.87
  4. Step 4: Simplify right side
    415,255,106.82x = 95,260,368,081,863,552
  5. Step 5: Solve for x
    x = 95,260,368,081,863,552/415,255,106.82
  6. Step 6: Final answer
    x = 229,402,038.69

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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.