Home / 292,086,064.80-438,129,097.20-290,070,525.60

Finding the Fourth Proportional to 292,086,064.80, 438,129,097.20 and 290,070,525.60

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Solution

The fourth proportional to 292,086,064.80, 438,129,097.20 and 290,070,525.60 is: 435,105,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,086,064.80 : 438,129,097.20 = 290,070,525.60 : x
  2. Step 2: Convert to fraction form
    292,086,064.80/438,129,097.20 = 290,070,525.60/x
  3. Step 3: Cross multiply
    292,086,064.80x = 438,129,097.20 × 290,070,525.60
  4. Step 4: Simplify right side
    292,086,064.80x = 127,088,337,505,457,488
  5. Step 5: Solve for x
    x = 127,088,337,505,457,488/292,086,064.80
  6. Step 6: Final answer
    x = 435,105,788.40

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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.