Home / 786,024,280.80-1,179,036,421.20-709,496,776.80

Finding the Fourth Proportional to 786,024,280.80, 1,179,036,421.20 and 709,496,776.80

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Solution

The fourth proportional to 786,024,280.80, 1,179,036,421.20 and 709,496,776.80 is: 1,064,245,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,024,280.80 : 1,179,036,421.20 = 709,496,776.80 : x
  2. Step 2: Convert to fraction form
    786,024,280.80/1,179,036,421.20 = 709,496,776.80/x
  3. Step 3: Cross multiply
    786,024,280.80x = 1,179,036,421.20 × 709,496,776.80
  4. Step 4: Simplify right side
    786,024,280.80x = 836,522,540,571,207,168
  5. Step 5: Solve for x
    x = 836,522,540,571,207,168/786,024,280.80
  6. Step 6: Final answer
    x = 1,064,245,165.20

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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.