Home / 1,493,766,015.10-2,240,649,022.65-912,635,281.60

Finding the Fourth Proportional to 1,493,766,015.10, 2,240,649,022.65 and 912,635,281.60

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Solution

The fourth proportional to 1,493,766,015.10, 2,240,649,022.65 and 912,635,281.60 is: 1,368,952,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,766,015.10 : 2,240,649,022.65 = 912,635,281.60 : x
  2. Step 2: Convert to fraction form
    1,493,766,015.10/2,240,649,022.65 = 912,635,281.60/x
  3. Step 3: Cross multiply
    1,493,766,015.10x = 2,240,649,022.65 × 912,635,281.60
  4. Step 4: Simplify right side
    1,493,766,015.10x = 2,044,895,351,752,947,712
  5. Step 5: Solve for x
    x = 2,044,895,351,752,947,712/1,493,766,015.10
  6. Step 6: Final answer
    x = 1,368,952,922.40

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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.