Home / 977,618,419.80-1,466,427,629.70-851,348,038.20

Finding the Fourth Proportional to 977,618,419.80, 1,466,427,629.70 and 851,348,038.20

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Solution

The fourth proportional to 977,618,419.80, 1,466,427,629.70 and 851,348,038.20 is: 1,277,022,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,618,419.80 : 1,466,427,629.70 = 851,348,038.20 : x
  2. Step 2: Convert to fraction form
    977,618,419.80/1,466,427,629.70 = 851,348,038.20/x
  3. Step 3: Cross multiply
    977,618,419.80x = 1,466,427,629.70 × 851,348,038.20
  4. Step 4: Simplify right side
    977,618,419.80x = 1,248,440,285,707,371,264
  5. Step 5: Solve for x
    x = 1,248,440,285,707,371,264/977,618,419.80
  6. Step 6: Final answer
    x = 1,277,022,057.30

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Double scale
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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.