Home / 70,268,501,718.96-96,967,812,648.48-38,153,128,822.64

Finding the Fourth Proportional to 70,268,501,718.96, 96,967,812,648.48 and 38,153,128,822.64

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Solution

The fourth proportional to 70,268,501,718.96, 96,967,812,648.48 and 38,153,128,822.64 is: 52,649,841,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268,501,718.96 : 96,967,812,648.48 = 38,153,128,822.64 : x
  2. Step 2: Convert to fraction form
    70,268,501,718.96/96,967,812,648.48 = 38,153,128,822.64/x
  3. Step 3: Cross multiply
    70,268,501,718.96x = 96,967,812,648.48 × 38,153,128,822.64
  4. Step 4: Simplify right side
    70,268,501,718.96x = 3,699,625,447,627,077,713,920
  5. Step 5: Solve for x
    x = 3,699,625,447,627,077,713,920/70,268,501,718.96
  6. Step 6: Final answer
    x = 52,649,841,068.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.