Home / 1,031,445,615.30-1,543,767,200.55-725,335,599.30

Finding the Fourth Proportional to 1,031,445,615.30, 1,543,767,200.55 and 725,335,599.30

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Solution

The fourth proportional to 1,031,445,615.30, 1,543,767,200.55 and 725,335,599.30 is: 1,085,611,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,445,615.30 : 1,543,767,200.55 = 725,335,599.30 : x
  2. Step 2: Convert to fraction form
    1,031,445,615.30/1,543,767,200.55 = 725,335,599.30/x
  3. Step 3: Cross multiply
    1,031,445,615.30x = 1,543,767,200.55 × 725,335,599.30
  4. Step 4: Simplify right side
    1,031,445,615.30x = 1,119,749,307,590,617,472
  5. Step 5: Solve for x
    x = 1,119,749,307,590,617,472/1,031,445,615.30
  6. Step 6: Final answer
    x = 1,085,611,583.37

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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.