Home / 620,157,203,115.40-930,235,804,673.10-520,977,557,931.40

Finding the Fourth Proportional to 620,157,203,115.40, 930,235,804,673.10 and 520,977,557,931.40

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Solution

The fourth proportional to 620,157,203,115.40, 930,235,804,673.10 and 520,977,557,931.40 is: 781,466,336,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,157,203,115.40 : 930,235,804,673.10 = 520,977,557,931.40 : x
  2. Step 2: Convert to fraction form
    620,157,203,115.40/930,235,804,673.10 = 520,977,557,931.40/x
  3. Step 3: Cross multiply
    620,157,203,115.40x = 930,235,804,673.10 × 520,977,557,931.40
  4. Step 4: Simplify right side
    620,157,203,115.40x = 484,631,977,818,942,427,103,232
  5. Step 5: Solve for x
    x = 484,631,977,818,942,427,103,232/620,157,203,115.40
  6. Step 6: Final answer
    x = 781,466,336,897.10

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Double scale
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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.