Home / 2,989,496,713.80-4,484,245,070.70-778,702,153.80

Finding the Fourth Proportional to 2,989,496,713.80, 4,484,245,070.70 and 778,702,153.80

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Solution

The fourth proportional to 2,989,496,713.80, 4,484,245,070.70 and 778,702,153.80 is: 1,168,053,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,496,713.80 : 4,484,245,070.70 = 778,702,153.80 : x
  2. Step 2: Convert to fraction form
    2,989,496,713.80/4,484,245,070.70 = 778,702,153.80/x
  3. Step 3: Cross multiply
    2,989,496,713.80x = 4,484,245,070.70 × 778,702,153.80
  4. Step 4: Simplify right side
    2,989,496,713.80x = 3,491,891,294,721,122,816
  5. Step 5: Solve for x
    x = 3,491,891,294,721,122,816/2,989,496,713.80
  6. Step 6: Final answer
    x = 1,168,053,230.70

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Double scale
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1.5x scale

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.