Home / 238,688,814,248.80-329,391,901,566.24-135,805,931,431.12

Finding the Fourth Proportional to 238,688,814,248.80, 329,391,901,566.24 and 135,805,931,431.12

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Solution

The fourth proportional to 238,688,814,248.80, 329,391,901,566.24 and 135,805,931,431.12 is: 187,412,946,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,688,814,248.80 : 329,391,901,566.24 = 135,805,931,431.12 : x
  2. Step 2: Convert to fraction form
    238,688,814,248.80/329,391,901,566.24 = 135,805,931,431.12/x
  3. Step 3: Cross multiply
    238,688,814,248.80x = 329,391,901,566.24 × 135,805,931,431.12
  4. Step 4: Simplify right side
    238,688,814,248.80x = 44,733,373,998,071,017,373,696
  5. Step 5: Solve for x
    x = 44,733,373,998,071,017,373,696/238,688,814,248.80
  6. Step 6: Final answer
    x = 187,412,946,596.83

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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.