Home / 346,384,432.19-478,006,708.34-187,610,605.42

Finding the Fourth Proportional to 346,384,432.19, 478,006,708.34 and 187,610,605.42

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Solution

The fourth proportional to 346,384,432.19, 478,006,708.34 and 187,610,605.42 is: 258,900,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,384,432.19 : 478,006,708.34 = 187,610,605.42 : x
  2. Step 2: Convert to fraction form
    346,384,432.19/478,006,708.34 = 187,610,605.42/x
  3. Step 3: Cross multiply
    346,384,432.19x = 478,006,708.34 × 187,610,605.42
  4. Step 4: Simplify right side
    346,384,432.19x = 89,679,127,946,019,728
  5. Step 5: Solve for x
    x = 89,679,127,946,019,728/346,384,432.19
  6. Step 6: Final answer
    x = 258,900,572.93

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1.5x scale

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.