Home / 977,618,429.80-1,466,427,644.70-851,348,048.20

Finding the Fourth Proportional to 977,618,429.80, 1,466,427,644.70 and 851,348,048.20

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Solution

The fourth proportional to 977,618,429.80, 1,466,427,644.70 and 851,348,048.20 is: 1,277,022,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,618,429.80 : 1,466,427,644.70 = 851,348,048.20 : x
  2. Step 2: Convert to fraction form
    977,618,429.80/1,466,427,644.70 = 851,348,048.20/x
  3. Step 3: Cross multiply
    977,618,429.80x = 1,466,427,644.70 × 851,348,048.20
  4. Step 4: Simplify right side
    977,618,429.80x = 1,248,440,313,141,868,288
  5. Step 5: Solve for x
    x = 1,248,440,313,141,868,288/977,618,429.80
  6. Step 6: Final answer
    x = 1,277,022,072.30

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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.