Home / 1,258,272,031.80-1,887,408,047.70-822,915,564.60

Finding the Fourth Proportional to 1,258,272,031.80, 1,887,408,047.70 and 822,915,564.60

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Solution

The fourth proportional to 1,258,272,031.80, 1,887,408,047.70 and 822,915,564.60 is: 1,234,373,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,272,031.80 : 1,887,408,047.70 = 822,915,564.60 : x
  2. Step 2: Convert to fraction form
    1,258,272,031.80/1,887,408,047.70 = 822,915,564.60/x
  3. Step 3: Cross multiply
    1,258,272,031.80x = 1,887,408,047.70 × 822,915,564.60
  4. Step 4: Simplify right side
    1,258,272,031.80x = 1,553,177,459,203,629,312
  5. Step 5: Solve for x
    x = 1,553,177,459,203,629,312/1,258,272,031.80
  6. Step 6: Final answer
    x = 1,234,373,346.90

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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.