Home / 1,351,447,575.80-1,865,644,361.17-900,076,695.21

Finding the Fourth Proportional to 1,351,447,575.80, 1,865,644,361.17 and 900,076,695.21

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Solution

The fourth proportional to 1,351,447,575.80, 1,865,644,361.17 and 900,076,695.21 is: 1,242,536,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,447,575.80 : 1,865,644,361.17 = 900,076,695.21 : x
  2. Step 2: Convert to fraction form
    1,351,447,575.80/1,865,644,361.17 = 900,076,695.21/x
  3. Step 3: Cross multiply
    1,351,447,575.80x = 1,865,644,361.17 × 900,076,695.21
  4. Step 4: Simplify right side
    1,351,447,575.80x = 1,679,223,011,036,815,104
  5. Step 5: Solve for x
    x = 1,679,223,011,036,815,104/1,351,447,575.80
  6. Step 6: Final answer
    x = 1,242,536,552.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.