Home / 1,185,918,061,364.10-1,636,452,569,085.20-665,094,623,672.30

Finding the Fourth Proportional to 1,185,918,061,364.10, 1,636,452,569,085.20 and 665,094,623,672.30

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Solution

The fourth proportional to 1,185,918,061,364.10, 1,636,452,569,085.20 and 665,094,623,672.30 is: 917,766,446,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,918,061,364.10 : 1,636,452,569,085.20 = 665,094,623,672.30 : x
  2. Step 2: Convert to fraction form
    1,185,918,061,364.10/1,636,452,569,085.20 = 665,094,623,672.30/x
  3. Step 3: Cross multiply
    1,185,918,061,364.10x = 1,636,452,569,085.20 × 665,094,623,672.30
  4. Step 4: Simplify right side
    1,185,918,061,364.10x = 1,088,395,805,593,289,678,127,104
  5. Step 5: Solve for x
    x = 1,088,395,805,593,289,678,127,104/1,185,918,061,364.10
  6. Step 6: Final answer
    x = 917,766,446,984.85

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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.