Home / 1,025,270,645.49-1,414,880,284.23-555,371,966.43

Finding the Fourth Proportional to 1,025,270,645.49, 1,414,880,284.23 and 555,371,966.43

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Solution

The fourth proportional to 1,025,270,645.49, 1,414,880,284.23 and 555,371,966.43 is: 766,416,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,270,645.49 : 1,414,880,284.23 = 555,371,966.43 : x
  2. Step 2: Convert to fraction form
    1,025,270,645.49/1,414,880,284.23 = 555,371,966.43/x
  3. Step 3: Cross multiply
    1,025,270,645.49x = 1,414,880,284.23 × 555,371,966.43
  4. Step 4: Simplify right side
    1,025,270,645.49x = 785,784,845,715,852,416
  5. Step 5: Solve for x
    x = 785,784,845,715,852,416/1,025,270,645.49
  6. Step 6: Final answer
    x = 766,416,993.57

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Double scale
Find fourth proportional to 1,025,270,646.49, 1,414,880,285.61 and 555,371,967.43
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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.