Home / 2,877,287,405.80-4,315,931,108.70-1,947,478,232.20

Finding the Fourth Proportional to 2,877,287,405.80, 4,315,931,108.70 and 1,947,478,232.20

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Solution

The fourth proportional to 2,877,287,405.80, 4,315,931,108.70 and 1,947,478,232.20 is: 2,921,217,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,287,405.80 : 4,315,931,108.70 = 1,947,478,232.20 : x
  2. Step 2: Convert to fraction form
    2,877,287,405.80/4,315,931,108.70 = 1,947,478,232.20/x
  3. Step 3: Cross multiply
    2,877,287,405.80x = 4,315,931,108.70 × 1,947,478,232.20
  4. Step 4: Simplify right side
    2,877,287,405.80x = 8,405,181,885,868,061,696
  5. Step 5: Solve for x
    x = 8,405,181,885,868,061,696/2,877,287,405.80
  6. Step 6: Final answer
    x = 2,921,217,348.30

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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.