Home / 926,414,401.20-1,389,666,292.32-304,615,866.72

Finding the Fourth Proportional to 926,414,401.20, 1,389,666,292.32 and 304,615,866.72

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Solution

The fourth proportional to 926,414,401.20, 1,389,666,292.32 and 304,615,866.72 is: 456,938,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,414,401.20 : 1,389,666,292.32 = 304,615,866.72 : x
  2. Step 2: Convert to fraction form
    926,414,401.20/1,389,666,292.32 = 304,615,866.72/x
  3. Step 3: Cross multiply
    926,414,401.20x = 1,389,666,292.32 × 304,615,866.72
  4. Step 4: Simplify right side
    926,414,401.20x = 423,314,402,086,625,728
  5. Step 5: Solve for x
    x = 423,314,402,086,625,728/926,414,401.20
  6. Step 6: Final answer
    x = 456,938,494.84

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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.