Home / 977,184,139.80-1,465,776,209.70-880,438,258.20

Finding the Fourth Proportional to 977,184,139.80, 1,465,776,209.70 and 880,438,258.20

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Solution

The fourth proportional to 977,184,139.80, 1,465,776,209.70 and 880,438,258.20 is: 1,320,657,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,184,139.80 : 1,465,776,209.70 = 880,438,258.20 : x
  2. Step 2: Convert to fraction form
    977,184,139.80/1,465,776,209.70 = 880,438,258.20/x
  3. Step 3: Cross multiply
    977,184,139.80x = 1,465,776,209.70 × 880,438,258.20
  4. Step 4: Simplify right side
    977,184,139.80x = 1,290,525,452,979,266,048
  5. Step 5: Solve for x
    x = 1,290,525,452,979,266,048/977,184,139.80
  6. Step 6: Final answer
    x = 1,320,657,387.30

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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.