Home / 1,248,145,992.01-1,721,612,095.50-802,672,548.92

Finding the Fourth Proportional to 1,248,145,992.01, 1,721,612,095.50 and 802,672,548.92

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Solution

The fourth proportional to 1,248,145,992.01, 1,721,612,095.50 and 802,672,548.92 is: 1,107,154,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,145,992.01 : 1,721,612,095.50 = 802,672,548.92 : x
  2. Step 2: Convert to fraction form
    1,248,145,992.01/1,721,612,095.50 = 802,672,548.92/x
  3. Step 3: Cross multiply
    1,248,145,992.01x = 1,721,612,095.50 × 802,672,548.92
  4. Step 4: Simplify right side
    1,248,145,992.01x = 1,381,890,768,946,487,296
  5. Step 5: Solve for x
    x = 1,381,890,768,946,487,296/1,248,145,992.01
  6. Step 6: Final answer
    x = 1,107,154,754.17

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Double scale
Find fourth proportional to 1,248,145,993.01, 1,721,612,096.88 and 802,672,549.92
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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.