Home / 503,578,000.40-755,367,000.60-299,000,771.60

Finding the Fourth Proportional to 503,578,000.40, 755,367,000.60 and 299,000,771.60

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Solution

The fourth proportional to 503,578,000.40, 755,367,000.60 and 299,000,771.60 is: 448,501,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,578,000.40 : 755,367,000.60 = 299,000,771.60 : x
  2. Step 2: Convert to fraction form
    503,578,000.40/755,367,000.60 = 299,000,771.60/x
  3. Step 3: Cross multiply
    503,578,000.40x = 755,367,000.60 × 299,000,771.60
  4. Step 4: Simplify right side
    503,578,000.40x = 225,855,316,020,577,696
  5. Step 5: Solve for x
    x = 225,855,316,020,577,696/503,578,000.40
  6. Step 6: Final answer
    x = 448,501,157.40

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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.