Home / 994,945,342.80-1,492,418,014.20-477,109,232.40

Finding the Fourth Proportional to 994,945,342.80, 1,492,418,014.20 and 477,109,232.40

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Solution

The fourth proportional to 994,945,342.80, 1,492,418,014.20 and 477,109,232.40 is: 715,663,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,945,342.80 : 1,492,418,014.20 = 477,109,232.40 : x
  2. Step 2: Convert to fraction form
    994,945,342.80/1,492,418,014.20 = 477,109,232.40/x
  3. Step 3: Cross multiply
    994,945,342.80x = 1,492,418,014.20 × 477,109,232.40
  4. Step 4: Simplify right side
    994,945,342.80x = 712,046,413,174,894,336
  5. Step 5: Solve for x
    x = 712,046,413,174,894,336/994,945,342.80
  6. Step 6: Final answer
    x = 715,663,848.60

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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.