Home / 320,851,858,953.79-442,786,184,040.59-176,341,110,903.12

Finding the Fourth Proportional to 320,851,858,953.79, 442,786,184,040.59 and 176,341,110,903.12

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Solution

The fourth proportional to 320,851,858,953.79, 442,786,184,040.59 and 176,341,110,903.12 is: 243,356,569,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,851,858,953.79 : 442,786,184,040.59 = 176,341,110,903.12 : x
  2. Step 2: Convert to fraction form
    320,851,858,953.79/442,786,184,040.59 = 176,341,110,903.12/x
  3. Step 3: Cross multiply
    320,851,858,953.79x = 442,786,184,040.59 × 176,341,110,903.12
  4. Step 4: Simplify right side
    320,851,858,953.79x = 78,081,407,586,270,988,730,368
  5. Step 5: Solve for x
    x = 78,081,407,586,270,988,730,368/320,851,858,953.79
  6. Step 6: Final answer
    x = 243,356,569,105.98

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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.