Home / 688,024,085.55-1,031,847,774.63-189,915,524.79

Finding the Fourth Proportional to 688,024,085.55, 1,031,847,774.63 and 189,915,524.79

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Solution

The fourth proportional to 688,024,085.55, 1,031,847,774.63 and 189,915,524.79 is: 284,821,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,024,085.55 : 1,031,847,774.63 = 189,915,524.79 : x
  2. Step 2: Convert to fraction form
    688,024,085.55/1,031,847,774.63 = 189,915,524.79/x
  3. Step 3: Cross multiply
    688,024,085.55x = 1,031,847,774.63 × 189,915,524.79
  4. Step 4: Simplify right side
    688,024,085.55x = 195,963,911,622,250,080
  5. Step 5: Solve for x
    x = 195,963,911,622,250,080/688,024,085.55
  6. Step 6: Final answer
    x = 284,821,295.85

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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.