Home / 1,248,521,678.40-1,722,959,316.92-746,730,453.36

Finding the Fourth Proportional to 1,248,521,678.40, 1,722,959,316.92 and 746,730,453.36

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Solution

The fourth proportional to 1,248,521,678.40, 1,722,959,316.92 and 746,730,453.36 is: 1,030,487,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,521,678.40 : 1,722,959,316.92 = 746,730,453.36 : x
  2. Step 2: Convert to fraction form
    1,248,521,678.40/1,722,959,316.92 = 746,730,453.36/x
  3. Step 3: Cross multiply
    1,248,521,678.40x = 1,722,959,316.92 × 746,730,453.36
  4. Step 4: Simplify right side
    1,248,521,678.40x = 1,286,586,191,844,507,648
  5. Step 5: Solve for x
    x = 1,286,586,191,844,507,648/1,248,521,678.40
  6. Step 6: Final answer
    x = 1,030,487,667.22

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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.