Home / 786,024,181.80-1,179,036,272.70-709,496,677.80

Finding the Fourth Proportional to 786,024,181.80, 1,179,036,272.70 and 709,496,677.80

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Solution

The fourth proportional to 786,024,181.80, 1,179,036,272.70 and 709,496,677.80 is: 1,064,245,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,024,181.80 : 1,179,036,272.70 = 709,496,677.80 : x
  2. Step 2: Convert to fraction form
    786,024,181.80/1,179,036,272.70 = 709,496,677.80/x
  3. Step 3: Cross multiply
    786,024,181.80x = 1,179,036,272.70 × 709,496,677.80
  4. Step 4: Simplify right side
    786,024,181.80x = 836,522,318,486,344,832
  5. Step 5: Solve for x
    x = 836,522,318,486,344,832/786,024,181.80
  6. Step 6: Final answer
    x = 1,064,245,016.70

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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.