Home / 2,140,205,394.08-3,209,257,793.76-879,441,112.16

Finding the Fourth Proportional to 2,140,205,394.08, 3,209,257,793.76 and 879,441,112.16

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Solution

The fourth proportional to 2,140,205,394.08, 3,209,257,793.76 and 879,441,112.16 is: 1,318,730,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,205,394.08 : 3,209,257,793.76 = 879,441,112.16 : x
  2. Step 2: Convert to fraction form
    2,140,205,394.08/3,209,257,793.76 = 879,441,112.16/x
  3. Step 3: Cross multiply
    2,140,205,394.08x = 3,209,257,793.76 × 879,441,112.16
  4. Step 4: Simplify right side
    2,140,205,394.08x = 2,822,353,243,352,442,368
  5. Step 5: Solve for x
    x = 2,822,353,243,352,442,368/2,140,205,394.08
  6. Step 6: Final answer
    x = 1,318,730,085.98

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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.