Home / 707,248,851.29-975,959,438.59-389,691,326.36

Finding the Fourth Proportional to 707,248,851.29, 975,959,438.59 and 389,691,326.36

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Solution

The fourth proportional to 707,248,851.29, 975,959,438.59 and 389,691,326.36 is: 537,749,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,248,851.29 : 975,959,438.59 = 389,691,326.36 : x
  2. Step 2: Convert to fraction form
    707,248,851.29/975,959,438.59 = 389,691,326.36/x
  3. Step 3: Cross multiply
    707,248,851.29x = 975,959,438.59 × 389,691,326.36
  4. Step 4: Simplify right side
    707,248,851.29x = 380,322,928,097,698,112
  5. Step 5: Solve for x
    x = 380,322,928,097,698,112/707,248,851.29
  6. Step 6: Final answer
    x = 537,749,799.67

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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.