Home / 908,593,921.60-1,362,890,882.40-295,240,148.80

Finding the Fourth Proportional to 908,593,921.60, 1,362,890,882.40 and 295,240,148.80

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Solution

The fourth proportional to 908,593,921.60, 1,362,890,882.40 and 295,240,148.80 is: 442,860,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,593,921.60 : 1,362,890,882.40 = 295,240,148.80 : x
  2. Step 2: Convert to fraction form
    908,593,921.60/1,362,890,882.40 = 295,240,148.80/x
  3. Step 3: Cross multiply
    908,593,921.60x = 1,362,890,882.40 × 295,240,148.80
  4. Step 4: Simplify right side
    908,593,921.60x = 402,380,106,917,939,328
  5. Step 5: Solve for x
    x = 402,380,106,917,939,328/908,593,921.60
  6. Step 6: Final answer
    x = 442,860,223.20

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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.