Home / 977,761,069.20-1,466,901,419.40-424,826,233.20

Finding the Fourth Proportional to 977,761,069.20, 1,466,901,419.40 and 424,826,233.20

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Solution

The fourth proportional to 977,761,069.20, 1,466,901,419.40 and 424,826,233.20 is: 637,352,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,761,069.20 : 1,466,901,419.40 = 424,826,233.20 : x
  2. Step 2: Convert to fraction form
    977,761,069.20/1,466,901,419.40 = 424,826,233.20/x
  3. Step 3: Cross multiply
    977,761,069.20x = 1,466,901,419.40 × 424,826,233.20
  4. Step 4: Simplify right side
    977,761,069.20x = 623,178,204,479,435,392
  5. Step 5: Solve for x
    x = 623,178,204,479,435,392/977,761,069.20
  6. Step 6: Final answer
    x = 637,352,236.77

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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.