Home / 1,225,865,575.74-1,691,730,220.59-668,984,492.46

Finding the Fourth Proportional to 1,225,865,575.74, 1,691,730,220.59 and 668,984,492.46

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Solution

The fourth proportional to 1,225,865,575.74, 1,691,730,220.59 and 668,984,492.46 is: 923,218,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,865,575.74 : 1,691,730,220.59 = 668,984,492.46 : x
  2. Step 2: Convert to fraction form
    1,225,865,575.74/1,691,730,220.59 = 668,984,492.46/x
  3. Step 3: Cross multiply
    1,225,865,575.74x = 1,691,730,220.59 × 668,984,492.46
  4. Step 4: Simplify right side
    1,225,865,575.74x = 1,131,741,283,000,644,992
  5. Step 5: Solve for x
    x = 1,131,741,283,000,644,992/1,225,865,575.74
  6. Step 6: Final answer
    x = 923,218,096.17

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Double scale
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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.