Home / 934,604,865.20-1,399,219,912.20-907,731,009.20

Finding the Fourth Proportional to 934,604,865.20, 1,399,219,912.20 and 907,731,009.20

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Solution

The fourth proportional to 934,604,865.20, 1,399,219,912.20 and 907,731,009.20 is: 1,358,986,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,604,865.20 : 1,399,219,912.20 = 907,731,009.20 : x
  2. Step 2: Convert to fraction form
    934,604,865.20/1,399,219,912.20 = 907,731,009.20/x
  3. Step 3: Cross multiply
    934,604,865.20x = 1,399,219,912.20 × 907,731,009.20
  4. Step 4: Simplify right side
    934,604,865.20x = 1,270,115,302,994,041,600
  5. Step 5: Solve for x
    x = 1,270,115,302,994,041,600/934,604,865.20
  6. Step 6: Final answer
    x = 1,358,986,401.94

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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.