Home / 478,220,521.40-659,923,929.23-266,516,086.80

Finding the Fourth Proportional to 478,220,521.40, 659,923,929.23 and 266,516,086.80

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Solution

The fourth proportional to 478,220,521.40, 659,923,929.23 and 266,516,086.80 is: 367,780,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,220,521.40 : 659,923,929.23 = 266,516,086.80 : x
  2. Step 2: Convert to fraction form
    478,220,521.40/659,923,929.23 = 266,516,086.80/x
  3. Step 3: Cross multiply
    478,220,521.40x = 659,923,929.23 × 266,516,086.80
  4. Step 4: Simplify right side
    478,220,521.40x = 175,880,343,202,727,168
  5. Step 5: Solve for x
    x = 175,880,343,202,727,168/478,220,521.40
  6. Step 6: Final answer
    x = 367,780,836.11

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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.