Home / 238,688,814,241.80-329,391,901,556.55-135,805,931,424.09

Finding the Fourth Proportional to 238,688,814,241.80, 329,391,901,556.55 and 135,805,931,424.09

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Solution

The fourth proportional to 238,688,814,241.80, 329,391,901,556.55 and 135,805,931,424.09 is: 187,412,946,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,688,814,241.80 : 329,391,901,556.55 = 135,805,931,424.09 : x
  2. Step 2: Convert to fraction form
    238,688,814,241.80/329,391,901,556.55 = 135,805,931,424.09/x
  3. Step 3: Cross multiply
    238,688,814,241.80x = 329,391,901,556.55 × 135,805,931,424.09
  4. Step 4: Simplify right side
    238,688,814,241.80x = 44,733,373,994,439,429,586,944
  5. Step 5: Solve for x
    x = 44,733,373,994,439,429,586,944/238,688,814,241.80
  6. Step 6: Final answer
    x = 187,412,946,587.11

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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.