Home / 70,268,501,831.40-96,967,812,803.40-38,153,128,935.60

Finding the Fourth Proportional to 70,268,501,831.40, 96,967,812,803.40 and 38,153,128,935.60

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Solution

The fourth proportional to 70,268,501,831.40, 96,967,812,803.40 and 38,153,128,935.60 is: 52,649,841,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268,501,831.40 : 96,967,812,803.40 = 38,153,128,935.60 : x
  2. Step 2: Convert to fraction form
    70,268,501,831.40/96,967,812,803.40 = 38,153,128,935.60/x
  3. Step 3: Cross multiply
    70,268,501,831.40x = 96,967,812,803.40 × 38,153,128,935.60
  4. Step 4: Simplify right side
    70,268,501,831.40x = 3,699,625,464,491,244,257,280
  5. Step 5: Solve for x
    x = 3,699,625,464,491,244,257,280/70,268,501,831.40
  6. Step 6: Final answer
    x = 52,649,841,224.28

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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.