Home / 1,336,680,083.07-2,005,430,624.51-638,063,688.51

Finding the Fourth Proportional to 1,336,680,083.07, 2,005,430,624.51 and 638,063,688.51

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Solution

The fourth proportional to 1,336,680,083.07, 2,005,430,624.51 and 638,063,688.51 is: 957,291,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,680,083.07 : 2,005,430,624.51 = 638,063,688.51 : x
  2. Step 2: Convert to fraction form
    1,336,680,083.07/2,005,430,624.51 = 638,063,688.51/x
  3. Step 3: Cross multiply
    1,336,680,083.07x = 2,005,430,624.51 × 638,063,688.51
  4. Step 4: Simplify right side
    1,336,680,083.07x = 1,279,592,461,322,573,056
  5. Step 5: Solve for x
    x = 1,279,592,461,322,573,056/1,336,680,083.07
  6. Step 6: Final answer
    x = 957,291,484.72

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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.