Home / 466,146,293.44-643,281,948.98-257,302,480.36

Finding the Fourth Proportional to 466,146,293.44, 643,281,948.98 and 257,302,480.36

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Solution

The fourth proportional to 466,146,293.44, 643,281,948.98 and 257,302,480.36 is: 355,077,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,146,293.44 : 643,281,948.98 = 257,302,480.36 : x
  2. Step 2: Convert to fraction form
    466,146,293.44/643,281,948.98 = 257,302,480.36/x
  3. Step 3: Cross multiply
    466,146,293.44x = 643,281,948.98 × 257,302,480.36
  4. Step 4: Simplify right side
    466,146,293.44x = 165,518,041,043,368,992
  5. Step 5: Solve for x
    x = 165,518,041,043,368,992/466,146,293.44
  6. Step 6: Final answer
    x = 355,077,458.24

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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.