Home / 1,185,918,061,356.70-1,636,452,569,074.90-665,094,623,664.80

Finding the Fourth Proportional to 1,185,918,061,356.70, 1,636,452,569,074.90 and 665,094,623,664.80

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Solution

The fourth proportional to 1,185,918,061,356.70, 1,636,452,569,074.90 and 665,094,623,664.80 is: 917,766,446,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,918,061,356.70 : 1,636,452,569,074.90 = 665,094,623,664.80 : x
  2. Step 2: Convert to fraction form
    1,185,918,061,356.70/1,636,452,569,074.90 = 665,094,623,664.80/x
  3. Step 3: Cross multiply
    1,185,918,061,356.70x = 1,636,452,569,074.90 × 665,094,623,664.80
  4. Step 4: Simplify right side
    1,185,918,061,356.70x = 1,088,395,805,574,165,799,370,752
  5. Step 5: Solve for x
    x = 1,088,395,805,574,165,799,370,752/1,185,918,061,356.70
  6. Step 6: Final answer
    x = 917,766,446,974.45

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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.