Home / 1,027,657,875.20-1,541,038,915.20-414,038,163.20

Finding the Fourth Proportional to 1,027,657,875.20, 1,541,038,915.20 and 414,038,163.20

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Solution

The fourth proportional to 1,027,657,875.20, 1,541,038,915.20 and 414,038,163.20 is: 620,876,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,657,875.20 : 1,541,038,915.20 = 414,038,163.20 : x
  2. Step 2: Convert to fraction form
    1,027,657,875.20/1,541,038,915.20 = 414,038,163.20/x
  3. Step 3: Cross multiply
    1,027,657,875.20x = 1,541,038,915.20 × 414,038,163.20
  4. Step 4: Simplify right side
    1,027,657,875.20x = 638,048,921,869,128,576
  5. Step 5: Solve for x
    x = 638,048,921,869,128,576/1,027,657,875.20
  6. Step 6: Final answer
    x = 620,876,789.12

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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.