Home / 346,386,233.12-478,009,197-187,612,408.76

Finding the Fourth Proportional to 346,386,233.12, 478,009,197 and 187,612,408.76

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Solution

The fourth proportional to 346,386,233.12, 478,009,197 and 187,612,408.76 is: 258,903,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,386,233.12 : 478,009,197 = 187,612,408.76 : x
  2. Step 2: Convert to fraction form
    346,386,233.12/478,009,197 = 187,612,408.76/x
  3. Step 3: Cross multiply
    346,386,233.12x = 478,009,197 × 187,612,408.76
  4. Step 4: Simplify right side
    346,386,233.12x = 89,680,456,856,213,312
  5. Step 5: Solve for x
    x = 89,680,456,856,213,312/346,386,233.12
  6. Step 6: Final answer
    x = 258,903,063.35

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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.