Home / 2,620,404,818.70-3,930,607,228.05-1,242,909,746.70

Finding the Fourth Proportional to 2,620,404,818.70, 3,930,607,228.05 and 1,242,909,746.70

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Solution

The fourth proportional to 2,620,404,818.70, 3,930,607,228.05 and 1,242,909,746.70 is: 1,864,364,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,404,818.70 : 3,930,607,228.05 = 1,242,909,746.70 : x
  2. Step 2: Convert to fraction form
    2,620,404,818.70/3,930,607,228.05 = 1,242,909,746.70/x
  3. Step 3: Cross multiply
    2,620,404,818.70x = 3,930,607,228.05 × 1,242,909,746.70
  4. Step 4: Simplify right side
    2,620,404,818.70x = 4,885,390,034,192,815,104
  5. Step 5: Solve for x
    x = 4,885,390,034,192,815,104/2,620,404,818.70
  6. Step 6: Final answer
    x = 1,864,364,620.05

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Double scale
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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.