Home / 65,268,828,019.60-97,903,242,029.40-45,432,898,982.80

Finding the Fourth Proportional to 65,268,828,019.60, 97,903,242,029.40 and 45,432,898,982.80

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Solution

The fourth proportional to 65,268,828,019.60, 97,903,242,029.40 and 45,432,898,982.80 is: 68,149,348,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,268,828,019.60 : 97,903,242,029.40 = 45,432,898,982.80 : x
  2. Step 2: Convert to fraction form
    65,268,828,019.60/97,903,242,029.40 = 45,432,898,982.80/x
  3. Step 3: Cross multiply
    65,268,828,019.60x = 97,903,242,029.40 × 45,432,898,982.80
  4. Step 4: Simplify right side
    65,268,828,019.60x = 4,448,028,105,210,349,486,080
  5. Step 5: Solve for x
    x = 4,448,028,105,210,349,486,080/65,268,828,019.60
  6. Step 6: Final answer
    x = 68,149,348,474.20

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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.