Home / 880,244,925.40-1,320,367,388.10-421,079,901.40

Finding the Fourth Proportional to 880,244,925.40, 1,320,367,388.10 and 421,079,901.40

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Solution

The fourth proportional to 880,244,925.40, 1,320,367,388.10 and 421,079,901.40 is: 631,619,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,244,925.40 : 1,320,367,388.10 = 421,079,901.40 : x
  2. Step 2: Convert to fraction form
    880,244,925.40/1,320,367,388.10 = 421,079,901.40/x
  3. Step 3: Cross multiply
    880,244,925.40x = 1,320,367,388.10 × 421,079,901.40
  4. Step 4: Simplify right side
    880,244,925.40x = 555,980,169,592,923,456
  5. Step 5: Solve for x
    x = 555,980,169,592,923,456/880,244,925.40
  6. Step 6: Final answer
    x = 631,619,852.10

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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.