Home / 1,210,067,737.20-1,815,101,605.80-348,511,820.40

Finding the Fourth Proportional to 1,210,067,737.20, 1,815,101,605.80 and 348,511,820.40

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Solution

The fourth proportional to 1,210,067,737.20, 1,815,101,605.80 and 348,511,820.40 is: 522,767,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,067,737.20 : 1,815,101,605.80 = 348,511,820.40 : x
  2. Step 2: Convert to fraction form
    1,210,067,737.20/1,815,101,605.80 = 348,511,820.40/x
  3. Step 3: Cross multiply
    1,210,067,737.20x = 1,815,101,605.80 × 348,511,820.40
  4. Step 4: Simplify right side
    1,210,067,737.20x = 632,584,364,848,321,152
  5. Step 5: Solve for x
    x = 632,584,364,848,321,152/1,210,067,737.20
  6. Step 6: Final answer
    x = 522,767,730.60

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Similar ratio
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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.