Home / 1,430,088,356.34-2,143,974,778.02-447,008,717.88

Finding the Fourth Proportional to 1,430,088,356.34, 2,143,974,778.02 and 447,008,717.88

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Solution

The fourth proportional to 1,430,088,356.34, 2,143,974,778.02 and 447,008,717.88 is: 670,151,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,088,356.34 : 2,143,974,778.02 = 447,008,717.88 : x
  2. Step 2: Convert to fraction form
    1,430,088,356.34/2,143,974,778.02 = 447,008,717.88/x
  3. Step 3: Cross multiply
    1,430,088,356.34x = 2,143,974,778.02 × 447,008,717.88
  4. Step 4: Simplify right side
    1,430,088,356.34x = 958,375,416,689,777,792
  5. Step 5: Solve for x
    x = 958,375,416,689,777,792/1,430,088,356.34
  6. Step 6: Final answer
    x = 670,151,192.02

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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.