Home / 1,164,919,717.70-1,607,578,598.19-636,283,563.64

Finding the Fourth Proportional to 1,164,919,717.70, 1,607,578,598.19 and 636,283,563.64

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Solution

The fourth proportional to 1,164,919,717.70, 1,607,578,598.19 and 636,283,563.64 is: 878,065,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,919,717.70 : 1,607,578,598.19 = 636,283,563.64 : x
  2. Step 2: Convert to fraction form
    1,164,919,717.70/1,607,578,598.19 = 636,283,563.64/x
  3. Step 3: Cross multiply
    1,164,919,717.70x = 1,607,578,598.19 × 636,283,563.64
  4. Step 4: Simplify right side
    1,164,919,717.70x = 1,022,875,839,287,728,896
  5. Step 5: Solve for x
    x = 1,022,875,839,287,728,896/1,164,919,717.70
  6. Step 6: Final answer
    x = 878,065,521.38

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Double scale
Find fourth proportional to 1,164,919,718.70, 1,607,578,599.57 and 636,283,564.64
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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.