Home / 527,042,919.98-785,852,475.85-512,562,889.55

Finding the Fourth Proportional to 527,042,919.98, 785,852,475.85 and 512,562,889.55

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Solution

The fourth proportional to 527,042,919.98, 785,852,475.85 and 512,562,889.55 is: 764,261,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,042,919.98 : 785,852,475.85 = 512,562,889.55 : x
  2. Step 2: Convert to fraction form
    527,042,919.98/785,852,475.85 = 512,562,889.55/x
  3. Step 3: Cross multiply
    527,042,919.98x = 785,852,475.85 × 512,562,889.55
  4. Step 4: Simplify right side
    527,042,919.98x = 402,798,815,781,697,600
  5. Step 5: Solve for x
    x = 402,798,815,781,697,600/527,042,919.98
  6. Step 6: Final answer
    x = 764,261,885.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.