Home / 462,438,236,134.73-638,113,008,690.95-256,681,147,751.25

Finding the Fourth Proportional to 462,438,236,134.73, 638,113,008,690.95 and 256,681,147,751.25

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Solution

The fourth proportional to 462,438,236,134.73, 638,113,008,690.95 and 256,681,147,751.25 is: 354,191,255,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,438,236,134.73 : 638,113,008,690.95 = 256,681,147,751.25 : x
  2. Step 2: Convert to fraction form
    462,438,236,134.73/638,113,008,690.95 = 256,681,147,751.25/x
  3. Step 3: Cross multiply
    462,438,236,134.73x = 638,113,008,690.95 × 256,681,147,751.25
  4. Step 4: Simplify right side
    462,438,236,134.73x = 163,791,579,465,796,403,855,360
  5. Step 5: Solve for x
    x = 163,791,579,465,796,403,855,360/462,438,236,134.73
  6. Step 6: Final answer
    x = 354,191,255,538.99

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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.