Home / 490,300,655.94-676,609,313.58-267,277,417.56

Finding the Fourth Proportional to 490,300,655.94, 676,609,313.58 and 267,277,417.56

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Solution

The fourth proportional to 490,300,655.94, 676,609,313.58 and 267,277,417.56 is: 368,839,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,300,655.94 : 676,609,313.58 = 267,277,417.56 : x
  2. Step 2: Convert to fraction form
    490,300,655.94/676,609,313.58 = 267,277,417.56/x
  3. Step 3: Cross multiply
    490,300,655.94x = 676,609,313.58 × 267,277,417.56
  4. Step 4: Simplify right side
    490,300,655.94x = 180,842,390,030,706,656
  5. Step 5: Solve for x
    x = 180,842,390,030,706,656/490,300,655.94
  6. Step 6: Final answer
    x = 368,839,788.08

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1.5x scale

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.