Home / 525,982,373.80-788,973,560.70-219,494,444.20

Finding the Fourth Proportional to 525,982,373.80, 788,973,560.70 and 219,494,444.20

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Solution

The fourth proportional to 525,982,373.80, 788,973,560.70 and 219,494,444.20 is: 329,241,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,982,373.80 : 788,973,560.70 = 219,494,444.20 : x
  2. Step 2: Convert to fraction form
    525,982,373.80/788,973,560.70 = 219,494,444.20/x
  3. Step 3: Cross multiply
    525,982,373.80x = 788,973,560.70 × 219,494,444.20
  4. Step 4: Simplify right side
    525,982,373.80x = 173,175,313,194,341,472
  5. Step 5: Solve for x
    x = 173,175,313,194,341,472/525,982,373.80
  6. Step 6: Final answer
    x = 329,241,666.30

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Double scale
Find fourth proportional to 525,982,374.80, 788,973,562.20 and 219,494,445.20
Similar ratio
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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.