Home / 1,171,315,041.07-1,616,417,826.12-635,466,678.23

Finding the Fourth Proportional to 1,171,315,041.07, 1,616,417,826.12 and 635,466,678.23

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Solution

The fourth proportional to 1,171,315,041.07, 1,616,417,826.12 and 635,466,678.23 is: 876,945,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,315,041.07 : 1,616,417,826.12 = 635,466,678.23 : x
  2. Step 2: Convert to fraction form
    1,171,315,041.07/1,616,417,826.12 = 635,466,678.23/x
  3. Step 3: Cross multiply
    1,171,315,041.07x = 1,616,417,826.12 × 635,466,678.23
  4. Step 4: Simplify right side
    1,171,315,041.07x = 1,027,179,666,584,974,720
  5. Step 5: Solve for x
    x = 1,027,179,666,584,974,720/1,171,315,041.07
  6. Step 6: Final answer
    x = 876,945,681.20

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Double scale
Find fourth proportional to 1,171,315,042.07, 1,616,417,827.50 and 635,466,679.23
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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.