Home / 7,188,894,047.30-9,920,483,482.86-4,017,104,027.21

Finding the Fourth Proportional to 7,188,894,047.30, 9,920,483,482.86 and 4,017,104,027.21

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Solution

The fourth proportional to 7,188,894,047.30, 9,920,483,482.86 and 4,017,104,027.21 is: 5,543,497,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,894,047.30 : 9,920,483,482.86 = 4,017,104,027.21 : x
  2. Step 2: Convert to fraction form
    7,188,894,047.30/9,920,483,482.86 = 4,017,104,027.21/x
  3. Step 3: Cross multiply
    7,188,894,047.30x = 9,920,483,482.86 × 4,017,104,027.21
  4. Step 4: Simplify right side
    7,188,894,047.30x = 39,851,614,150,891,995,136
  5. Step 5: Solve for x
    x = 39,851,614,150,891,995,136/7,188,894,047.30
  6. Step 6: Final answer
    x = 5,543,497,217.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.