Home / 299,088,045.60-448,632,068.40-280,948,192.80

Finding the Fourth Proportional to 299,088,045.60, 448,632,068.40 and 280,948,192.80

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Solution

The fourth proportional to 299,088,045.60, 448,632,068.40 and 280,948,192.80 is: 421,422,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,088,045.60 : 448,632,068.40 = 280,948,192.80 : x
  2. Step 2: Convert to fraction form
    299,088,045.60/448,632,068.40 = 280,948,192.80/x
  3. Step 3: Cross multiply
    299,088,045.60x = 448,632,068.40 × 280,948,192.80
  4. Step 4: Simplify right side
    299,088,045.60x = 126,042,368,849,105,984
  5. Step 5: Solve for x
    x = 126,042,368,849,105,984/299,088,045.60
  6. Step 6: Final answer
    x = 421,422,289.20

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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.