Home / 1,259,633,005.40-1,889,449,508.10-715,437,421.40

Finding the Fourth Proportional to 1,259,633,005.40, 1,889,449,508.10 and 715,437,421.40

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Solution

The fourth proportional to 1,259,633,005.40, 1,889,449,508.10 and 715,437,421.40 is: 1,073,156,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,633,005.40 : 1,889,449,508.10 = 715,437,421.40 : x
  2. Step 2: Convert to fraction form
    1,259,633,005.40/1,889,449,508.10 = 715,437,421.40/x
  3. Step 3: Cross multiply
    1,259,633,005.40x = 1,889,449,508.10 × 715,437,421.40
  4. Step 4: Simplify right side
    1,259,633,005.40x = 1,351,782,883,940,562,176
  5. Step 5: Solve for x
    x = 1,351,782,883,940,562,176/1,259,633,005.40
  6. Step 6: Final answer
    x = 1,073,156,132.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.