Home / 1,438,520,417,398.20-2,157,913,265,833.50-470,433,879,627.96

Finding the Fourth Proportional to 1,438,520,417,398.20, 2,157,913,265,833.50 and 470,433,879,627.96

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Solution

The fourth proportional to 1,438,520,417,398.20, 2,157,913,265,833.50 and 470,433,879,627.96 is: 705,694,196,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,520,417,398.20 : 2,157,913,265,833.50 = 470,433,879,627.96 : x
  2. Step 2: Convert to fraction form
    1,438,520,417,398.20/2,157,913,265,833.50 = 470,433,879,627.96/x
  3. Step 3: Cross multiply
    1,438,520,417,398.20x = 2,157,913,265,833.50 × 470,433,879,627.96
  4. Step 4: Simplify right side
    1,438,520,417,398.20x = 1,015,155,509,546,694,901,497,856
  5. Step 5: Solve for x
    x = 1,015,155,509,546,694,901,497,856/1,438,520,417,398.20
  6. Step 6: Final answer
    x = 705,694,196,112.12

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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.