Home / 1,172,912,642.40-1,760,360,986.80-483,314,800.80

Finding the Fourth Proportional to 1,172,912,642.40, 1,760,360,986.80 and 483,314,800.80

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Solution

The fourth proportional to 1,172,912,642.40, 1,760,360,986.80 and 483,314,800.80 is: 725,380,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,912,642.40 : 1,760,360,986.80 = 483,314,800.80 : x
  2. Step 2: Convert to fraction form
    1,172,912,642.40/1,760,360,986.80 = 483,314,800.80/x
  3. Step 3: Cross multiply
    1,172,912,642.40x = 1,760,360,986.80 × 483,314,800.80
  4. Step 4: Simplify right side
    1,172,912,642.40x = 850,808,519,671,333,376
  5. Step 5: Solve for x
    x = 850,808,519,671,333,376/1,172,912,642.40
  6. Step 6: Final answer
    x = 725,380,978.02

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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.