Home / 763,065,666.40-1,144,682,480.40-245,408,015.20

Finding the Fourth Proportional to 763,065,666.40, 1,144,682,480.40 and 245,408,015.20

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Solution

The fourth proportional to 763,065,666.40, 1,144,682,480.40 and 245,408,015.20 is: 368,139,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,065,666.40 : 1,144,682,480.40 = 245,408,015.20 : x
  2. Step 2: Convert to fraction form
    763,065,666.40/1,144,682,480.40 = 245,408,015.20/x
  3. Step 3: Cross multiply
    763,065,666.40x = 1,144,682,480.40 × 245,408,015.20
  4. Step 4: Simplify right side
    763,065,666.40x = 280,914,255,549,176,896
  5. Step 5: Solve for x
    x = 280,914,255,549,176,896/763,065,666.40
  6. Step 6: Final answer
    x = 368,139,031.70

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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.