Home / 512,931,948.88-708,193,560.80-324,927,080.32

Finding the Fourth Proportional to 512,931,948.88, 708,193,560.80 and 324,927,080.32

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Solution

The fourth proportional to 512,931,948.88, 708,193,560.80 and 324,927,080.32 is: 448,619,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,931,948.88 : 708,193,560.80 = 324,927,080.32 : x
  2. Step 2: Convert to fraction form
    512,931,948.88/708,193,560.80 = 324,927,080.32/x
  3. Step 3: Cross multiply
    512,931,948.88x = 708,193,560.80 × 324,927,080.32
  4. Step 4: Simplify right side
    512,931,948.88x = 230,111,266,012,168,384
  5. Step 5: Solve for x
    x = 230,111,266,012,168,384/512,931,948.88
  6. Step 6: Final answer
    x = 448,619,483.57

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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.