Home / 489,901,521.40-734,852,282.10-217,803,729.40

Finding the Fourth Proportional to 489,901,521.40, 734,852,282.10 and 217,803,729.40

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Solution

The fourth proportional to 489,901,521.40, 734,852,282.10 and 217,803,729.40 is: 326,705,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,901,521.40 : 734,852,282.10 = 217,803,729.40 : x
  2. Step 2: Convert to fraction form
    489,901,521.40/734,852,282.10 = 217,803,729.40/x
  3. Step 3: Cross multiply
    489,901,521.40x = 734,852,282.10 × 217,803,729.40
  4. Step 4: Simplify right side
    489,901,521.40x = 160,053,567,599,480,864
  5. Step 5: Solve for x
    x = 160,053,567,599,480,864/489,901,521.40
  6. Step 6: Final answer
    x = 326,705,594.10

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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.