Home / 1,246,074,901.76-1,720,112,839.10-776,408,271.42

Finding the Fourth Proportional to 1,246,074,901.76, 1,720,112,839.10 and 776,408,271.42

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Solution

The fourth proportional to 1,246,074,901.76, 1,720,112,839.10 and 776,408,271.42 is: 1,071,773,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,074,901.76 : 1,720,112,839.10 = 776,408,271.42 : x
  2. Step 2: Convert to fraction form
    1,246,074,901.76/1,720,112,839.10 = 776,408,271.42/x
  3. Step 3: Cross multiply
    1,246,074,901.76x = 1,720,112,839.10 × 776,408,271.42
  4. Step 4: Simplify right side
    1,246,074,901.76x = 1,335,509,836,049,097,472
  5. Step 5: Solve for x
    x = 1,335,509,836,049,097,472/1,246,074,901.76
  6. Step 6: Final answer
    x = 1,071,773,321.31

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Double scale
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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.