Home / 1,947,980,490.46-2,921,929,798.12-474,128,522.15

Finding the Fourth Proportional to 1,947,980,490.46, 2,921,929,798.12 and 474,128,522.15

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Solution

The fourth proportional to 1,947,980,490.46, 2,921,929,798.12 and 474,128,522.15 is: 711,182,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,980,490.46 : 2,921,929,798.12 = 474,128,522.15 : x
  2. Step 2: Convert to fraction form
    1,947,980,490.46/2,921,929,798.12 = 474,128,522.15/x
  3. Step 3: Cross multiply
    1,947,980,490.46x = 2,921,929,798.12 × 474,128,522.15
  4. Step 4: Simplify right side
    1,947,980,490.46x = 1,385,370,257,008,683,264
  5. Step 5: Solve for x
    x = 1,385,370,257,008,683,264/1,947,980,490.46
  6. Step 6: Final answer
    x = 711,182,819.23

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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.