Home / 489,018,079.40-733,527,119.10-440,645,138.60

Finding the Fourth Proportional to 489,018,079.40, 733,527,119.10 and 440,645,138.60

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Solution

The fourth proportional to 489,018,079.40, 733,527,119.10 and 440,645,138.60 is: 660,967,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,018,079.40 : 733,527,119.10 = 440,645,138.60 : x
  2. Step 2: Convert to fraction form
    489,018,079.40/733,527,119.10 = 440,645,138.60/x
  3. Step 3: Cross multiply
    489,018,079.40x = 733,527,119.10 × 440,645,138.60
  4. Step 4: Simplify right side
    489,018,079.40x = 323,225,159,062,678,208
  5. Step 5: Solve for x
    x = 323,225,159,062,678,208/489,018,079.40
  6. Step 6: Final answer
    x = 660,967,707.90

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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.