Home / 989,496,065.80-1,484,244,098.70-836,441,057.80

Finding the Fourth Proportional to 989,496,065.80, 1,484,244,098.70 and 836,441,057.80

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Solution

The fourth proportional to 989,496,065.80, 1,484,244,098.70 and 836,441,057.80 is: 1,254,661,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,496,065.80 : 1,484,244,098.70 = 836,441,057.80 : x
  2. Step 2: Convert to fraction form
    989,496,065.80/1,484,244,098.70 = 836,441,057.80/x
  3. Step 3: Cross multiply
    989,496,065.80x = 1,484,244,098.70 × 836,441,057.80
  4. Step 4: Simplify right side
    989,496,065.80x = 1,241,482,703,950,035,456
  5. Step 5: Solve for x
    x = 1,241,482,703,950,035,456/989,496,065.80
  6. Step 6: Final answer
    x = 1,254,661,586.70

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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.