Home / 315,615,087,971.28-473,501,568,676.32-92,025,038,257.68

Finding the Fourth Proportional to 315,615,087,971.28, 473,501,568,676.32 and 92,025,038,257.68

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Solution

The fourth proportional to 315,615,087,971.28, 473,501,568,676.32 and 92,025,038,257.68 is: 138,060,573,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,615,087,971.28 : 473,501,568,676.32 = 92,025,038,257.68 : x
  2. Step 2: Convert to fraction form
    315,615,087,971.28/473,501,568,676.32 = 92,025,038,257.68/x
  3. Step 3: Cross multiply
    315,615,087,971.28x = 473,501,568,676.32 × 92,025,038,257.68
  4. Step 4: Simplify right side
    315,615,087,971.28x = 43,573,999,972,509,842,145,280
  5. Step 5: Solve for x
    x = 43,573,999,972,509,842,145,280/315,615,087,971.28
  6. Step 6: Final answer
    x = 138,060,573,252.68

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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.