Home / 1,309,334,393.76-1,806,855,851.28-714,623,141.94

Finding the Fourth Proportional to 1,309,334,393.76, 1,806,855,851.28 and 714,623,141.94

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Solution

The fourth proportional to 1,309,334,393.76, 1,806,855,851.28 and 714,623,141.94 is: 986,165,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,334,393.76 : 1,806,855,851.28 = 714,623,141.94 : x
  2. Step 2: Convert to fraction form
    1,309,334,393.76/1,806,855,851.28 = 714,623,141.94/x
  3. Step 3: Cross multiply
    1,309,334,393.76x = 1,806,855,851.28 × 714,623,141.94
  4. Step 4: Simplify right side
    1,309,334,393.76x = 1,291,221,005,474,386,944
  5. Step 5: Solve for x
    x = 1,291,221,005,474,386,944/1,309,334,393.76
  6. Step 6: Final answer
    x = 986,165,957.01

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Double scale
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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.