Home / 1,025,683,386.30-1,538,525,079.45-443,011,473.90

Finding the Fourth Proportional to 1,025,683,386.30, 1,538,525,079.45 and 443,011,473.90

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Solution

The fourth proportional to 1,025,683,386.30, 1,538,525,079.45 and 443,011,473.90 is: 664,517,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,683,386.30 : 1,538,525,079.45 = 443,011,473.90 : x
  2. Step 2: Convert to fraction form
    1,025,683,386.30/1,538,525,079.45 = 443,011,473.90/x
  3. Step 3: Cross multiply
    1,025,683,386.30x = 1,538,525,079.45 × 443,011,473.90
  4. Step 4: Simplify right side
    1,025,683,386.30x = 681,584,263,079,259,136
  5. Step 5: Solve for x
    x = 681,584,263,079,259,136/1,025,683,386.30
  6. Step 6: Final answer
    x = 664,517,210.85

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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.