Home / 1,042,065,511.56-1,438,070,973.24-572,162,722.08

Finding the Fourth Proportional to 1,042,065,511.56, 1,438,070,973.24 and 572,162,722.08

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Solution

The fourth proportional to 1,042,065,511.56, 1,438,070,973.24 and 572,162,722.08 is: 789,595,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,065,511.56 : 1,438,070,973.24 = 572,162,722.08 : x
  2. Step 2: Convert to fraction form
    1,042,065,511.56/1,438,070,973.24 = 572,162,722.08/x
  3. Step 3: Cross multiply
    1,042,065,511.56x = 1,438,070,973.24 × 572,162,722.08
  4. Step 4: Simplify right side
    1,042,065,511.56x = 822,810,602,593,233,280
  5. Step 5: Solve for x
    x = 822,810,602,593,233,280/1,042,065,511.56
  6. Step 6: Final answer
    x = 789,595,849.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.