Home / 1,137,357,067.20-1,706,035,600.80-943,487,390.40

Finding the Fourth Proportional to 1,137,357,067.20, 1,706,035,600.80 and 943,487,390.40

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Solution

The fourth proportional to 1,137,357,067.20, 1,706,035,600.80 and 943,487,390.40 is: 1,415,231,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,357,067.20 : 1,706,035,600.80 = 943,487,390.40 : x
  2. Step 2: Convert to fraction form
    1,137,357,067.20/1,706,035,600.80 = 943,487,390.40/x
  3. Step 3: Cross multiply
    1,137,357,067.20x = 1,706,035,600.80 × 943,487,390.40
  4. Step 4: Simplify right side
    1,137,357,067.20x = 1,609,623,076,928,288,000
  5. Step 5: Solve for x
    x = 1,609,623,076,928,288,000/1,137,357,067.20
  6. Step 6: Final answer
    x = 1,415,231,085.60

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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.