Home / 263,376,266.40-395,064,399.60-166,016,275.20

Finding the Fourth Proportional to 263,376,266.40, 395,064,399.60 and 166,016,275.20

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Solution

The fourth proportional to 263,376,266.40, 395,064,399.60 and 166,016,275.20 is: 249,024,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,376,266.40 : 395,064,399.60 = 166,016,275.20 : x
  2. Step 2: Convert to fraction form
    263,376,266.40/395,064,399.60 = 166,016,275.20/x
  3. Step 3: Cross multiply
    263,376,266.40x = 395,064,399.60 × 166,016,275.20
  4. Step 4: Simplify right side
    263,376,266.40x = 65,587,120,085,716,368
  5. Step 5: Solve for x
    x = 65,587,120,085,716,368/263,376,266.40
  6. Step 6: Final answer
    x = 249,024,412.80

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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.