Home / 811,692,384.90-1,217,538,577.35-695,466,238.20

Finding the Fourth Proportional to 811,692,384.90, 1,217,538,577.35 and 695,466,238.20

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Solution

The fourth proportional to 811,692,384.90, 1,217,538,577.35 and 695,466,238.20 is: 1,043,199,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,692,384.90 : 1,217,538,577.35 = 695,466,238.20 : x
  2. Step 2: Convert to fraction form
    811,692,384.90/1,217,538,577.35 = 695,466,238.20/x
  3. Step 3: Cross multiply
    811,692,384.90x = 1,217,538,577.35 × 695,466,238.20
  4. Step 4: Simplify right side
    811,692,384.90x = 846,756,974,252,984,192
  5. Step 5: Solve for x
    x = 846,756,974,252,984,192/811,692,384.90
  6. Step 6: Final answer
    x = 1,043,199,357.30

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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.