Home / 938,911,526.90-1,408,405,591.23-239,421,803.70

Finding the Fourth Proportional to 938,911,526.90, 1,408,405,591.23 and 239,421,803.70

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Solution

The fourth proportional to 938,911,526.90, 1,408,405,591.23 and 239,421,803.70 is: 359,142,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,911,526.90 : 1,408,405,591.23 = 239,421,803.70 : x
  2. Step 2: Convert to fraction form
    938,911,526.90/1,408,405,591.23 = 239,421,803.70/x
  3. Step 3: Cross multiply
    938,911,526.90x = 1,408,405,591.23 × 239,421,803.70
  4. Step 4: Simplify right side
    938,911,526.90x = 337,203,006,992,254,336
  5. Step 5: Solve for x
    x = 337,203,006,992,254,336/938,911,526.90
  6. Step 6: Final answer
    x = 359,142,472.25

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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.