Home / 318,026,196,836.61-438,875,553,987.57-173,510,424,426.46

Finding the Fourth Proportional to 318,026,196,836.61, 438,875,553,987.57 and 173,510,424,426.46

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Solution

The fourth proportional to 318,026,196,836.61, 438,875,553,987.57 and 173,510,424,426.46 is: 239,444,059,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,026,196,836.61 : 438,875,553,987.57 = 173,510,424,426.46 : x
  2. Step 2: Convert to fraction form
    318,026,196,836.61/438,875,553,987.57 = 173,510,424,426.46/x
  3. Step 3: Cross multiply
    318,026,196,836.61x = 438,875,553,987.57 × 173,510,424,426.46
  4. Step 4: Simplify right side
    318,026,196,836.61x = 76,149,483,642,781,027,008,512
  5. Step 5: Solve for x
    x = 76,149,483,642,781,027,008,512/318,026,196,836.61
  6. Step 6: Final answer
    x = 239,444,059,641.11

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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.