Home / 2,989,496,601.80-4,484,244,902.70-778,702,041.80

Finding the Fourth Proportional to 2,989,496,601.80, 4,484,244,902.70 and 778,702,041.80

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Solution

The fourth proportional to 2,989,496,601.80, 4,484,244,902.70 and 778,702,041.80 is: 1,168,053,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,496,601.80 : 4,484,244,902.70 = 778,702,041.80 : x
  2. Step 2: Convert to fraction form
    2,989,496,601.80/4,484,244,902.70 = 778,702,041.80/x
  3. Step 3: Cross multiply
    2,989,496,601.80x = 4,484,244,902.70 × 778,702,041.80
  4. Step 4: Simplify right side
    2,989,496,601.80x = 3,491,890,661,663,732,224
  5. Step 5: Solve for x
    x = 3,491,890,661,663,732,224/2,989,496,601.80
  6. Step 6: Final answer
    x = 1,168,053,062.70

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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.