Home / 816,237,799.60-1,225,632,157.80-471,864,031.60

Finding the Fourth Proportional to 816,237,799.60, 1,225,632,157.80 and 471,864,031.60

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Solution

The fourth proportional to 816,237,799.60, 1,225,632,157.80 and 471,864,031.60 is: 708,533,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,237,799.60 : 1,225,632,157.80 = 471,864,031.60 : x
  2. Step 2: Convert to fraction form
    816,237,799.60/1,225,632,157.80 = 471,864,031.60/x
  3. Step 3: Cross multiply
    816,237,799.60x = 1,225,632,157.80 × 471,864,031.60
  4. Step 4: Simplify right side
    816,237,799.60x = 578,331,731,238,115,456
  5. Step 5: Solve for x
    x = 578,331,731,238,115,456/816,237,799.60
  6. Step 6: Final answer
    x = 708,533,385.15

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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.