Home / 1,427,353,133.76-1,969,716,335.04-824,524,254.72

Finding the Fourth Proportional to 1,427,353,133.76, 1,969,716,335.04 and 824,524,254.72

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Solution

The fourth proportional to 1,427,353,133.76, 1,969,716,335.04 and 824,524,254.72 is: 1,137,825,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,353,133.76 : 1,969,716,335.04 = 824,524,254.72 : x
  2. Step 2: Convert to fraction form
    1,427,353,133.76/1,969,716,335.04 = 824,524,254.72/x
  3. Step 3: Cross multiply
    1,427,353,133.76x = 1,969,716,335.04 × 824,524,254.72
  4. Step 4: Simplify right side
    1,427,353,133.76x = 1,624,078,893,158,665,728
  5. Step 5: Solve for x
    x = 1,624,078,893,158,665,728/1,427,353,133.76
  6. Step 6: Final answer
    x = 1,137,825,570.10

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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.