Home / 579,502,401.60-869,253,602.40-148,680,897.60

Finding the Fourth Proportional to 579,502,401.60, 869,253,602.40 and 148,680,897.60

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Solution

The fourth proportional to 579,502,401.60, 869,253,602.40 and 148,680,897.60 is: 223,021,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,502,401.60 : 869,253,602.40 = 148,680,897.60 : x
  2. Step 2: Convert to fraction form
    579,502,401.60/869,253,602.40 = 148,680,897.60/x
  3. Step 3: Cross multiply
    579,502,401.60x = 869,253,602.40 × 148,680,897.60
  4. Step 4: Simplify right side
    579,502,401.60x = 129,241,405,846,865,504
  5. Step 5: Solve for x
    x = 129,241,405,846,865,504/579,502,401.60
  6. Step 6: Final answer
    x = 223,021,346.40

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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.