Home / 891,877,945.26-1,337,830,371.58-309,630,686.29

Finding the Fourth Proportional to 891,877,945.26, 1,337,830,371.58 and 309,630,686.29

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Solution

The fourth proportional to 891,877,945.26, 1,337,830,371.58 and 309,630,686.29 is: 464,450,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,877,945.26 : 1,337,830,371.58 = 309,630,686.29 : x
  2. Step 2: Convert to fraction form
    891,877,945.26/1,337,830,371.58 = 309,630,686.29/x
  3. Step 3: Cross multiply
    891,877,945.26x = 1,337,830,371.58 × 309,630,686.29
  4. Step 4: Simplify right side
    891,877,945.26x = 414,233,336,091,921,088
  5. Step 5: Solve for x
    x = 414,233,336,091,921,088/891,877,945.26
  6. Step 6: Final answer
    x = 464,450,700.12

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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.