Home / 1,035,725,307.60-1,553,587,961.40-987,949,563.60

Finding the Fourth Proportional to 1,035,725,307.60, 1,553,587,961.40 and 987,949,563.60

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Solution

The fourth proportional to 1,035,725,307.60, 1,553,587,961.40 and 987,949,563.60 is: 1,481,924,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,725,307.60 : 1,553,587,961.40 = 987,949,563.60 : x
  2. Step 2: Convert to fraction form
    1,035,725,307.60/1,553,587,961.40 = 987,949,563.60/x
  3. Step 3: Cross multiply
    1,035,725,307.60x = 1,553,587,961.40 × 987,949,563.60
  4. Step 4: Simplify right side
    1,035,725,307.60x = 1,534,866,548,479,343,872
  5. Step 5: Solve for x
    x = 1,534,866,548,479,343,872/1,035,725,307.60
  6. Step 6: Final answer
    x = 1,481,924,345.40

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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.