Home / 733,247,185.28-1,011,900,293.39-398,739,271.81

Finding the Fourth Proportional to 733,247,185.28, 1,011,900,293.39 and 398,739,271.81

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Solution

The fourth proportional to 733,247,185.28, 1,011,900,293.39 and 398,739,271.81 is: 550,270,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,247,185.28 : 1,011,900,293.39 = 398,739,271.81 : x
  2. Step 2: Convert to fraction form
    733,247,185.28/1,011,900,293.39 = 398,739,271.81/x
  3. Step 3: Cross multiply
    733,247,185.28x = 1,011,900,293.39 × 398,739,271.81
  4. Step 4: Simplify right side
    733,247,185.28x = 403,484,386,129,121,088
  5. Step 5: Solve for x
    x = 403,484,386,129,121,088/733,247,185.28
  6. Step 6: Final answer
    x = 550,270,623.91

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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.