Home / 1,990,656,472.80-2,985,984,709.20-610,460,018.40

Finding the Fourth Proportional to 1,990,656,472.80, 2,985,984,709.20 and 610,460,018.40

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Solution

The fourth proportional to 1,990,656,472.80, 2,985,984,709.20 and 610,460,018.40 is: 915,690,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,472.80 : 2,985,984,709.20 = 610,460,018.40 : x
  2. Step 2: Convert to fraction form
    1,990,656,472.80/2,985,984,709.20 = 610,460,018.40/x
  3. Step 3: Cross multiply
    1,990,656,472.80x = 2,985,984,709.20 × 610,460,018.40
  4. Step 4: Simplify right side
    1,990,656,472.80x = 1,822,824,280,520,350,464
  5. Step 5: Solve for x
    x = 1,822,824,280,520,350,464/1,990,656,472.80
  6. Step 6: Final answer
    x = 915,690,027.60

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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.