Home / 1,427,012,811.16-1,969,322,462.08-824,172,235.34

Finding the Fourth Proportional to 1,427,012,811.16, 1,969,322,462.08 and 824,172,235.34

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Solution

The fourth proportional to 1,427,012,811.16, 1,969,322,462.08 and 824,172,235.34 is: 1,137,383,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,012,811.16 : 1,969,322,462.08 = 824,172,235.34 : x
  2. Step 2: Convert to fraction form
    1,427,012,811.16/1,969,322,462.08 = 824,172,235.34/x
  3. Step 3: Cross multiply
    1,427,012,811.16x = 1,969,322,462.08 × 824,172,235.34
  4. Step 4: Simplify right side
    1,427,012,811.16x = 1,623,060,895,679,863,040
  5. Step 5: Solve for x
    x = 1,623,060,895,679,863,040/1,427,012,811.16
  6. Step 6: Final answer
    x = 1,137,383,549.04

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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.