Home / 644,134,094.20-966,705,026.10-299,130,470.20

Finding the Fourth Proportional to 644,134,094.20, 966,705,026.10 and 299,130,470.20

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Solution

The fourth proportional to 644,134,094.20, 966,705,026.10 and 299,130,470.20 is: 448,929,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,134,094.20 : 966,705,026.10 = 299,130,470.20 : x
  2. Step 2: Convert to fraction form
    644,134,094.20/966,705,026.10 = 299,130,470.20/x
  3. Step 3: Cross multiply
    644,134,094.20x = 966,705,026.10 × 299,130,470.20
  4. Step 4: Simplify right side
    644,134,094.20x = 289,170,929,001,996,288
  5. Step 5: Solve for x
    x = 289,170,929,001,996,288/644,134,094.20
  6. Step 6: Final answer
    x = 448,929,705.17

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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.