Home / 707,248,850.29-975,959,437.21-389,691,325.36

Finding the Fourth Proportional to 707,248,850.29, 975,959,437.21 and 389,691,325.36

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Solution

The fourth proportional to 707,248,850.29, 975,959,437.21 and 389,691,325.36 is: 537,749,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,248,850.29 : 975,959,437.21 = 389,691,325.36 : x
  2. Step 2: Convert to fraction form
    707,248,850.29/975,959,437.21 = 389,691,325.36/x
  3. Step 3: Cross multiply
    707,248,850.29x = 975,959,437.21 × 389,691,325.36
  4. Step 4: Simplify right side
    707,248,850.29x = 380,322,926,581,045,248
  5. Step 5: Solve for x
    x = 380,322,926,581,045,248/707,248,850.29
  6. Step 6: Final answer
    x = 537,749,798.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.