Home / 65,827,847,982.08-90,840,885,059.58-38,732,877,271.64

Finding the Fourth Proportional to 65,827,847,982.08, 90,840,885,059.58 and 38,732,877,271.64

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Solution

The fourth proportional to 65,827,847,982.08, 90,840,885,059.58 and 38,732,877,271.64 is: 53,450,461,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827,847,982.08 : 90,840,885,059.58 = 38,732,877,271.64 : x
  2. Step 2: Convert to fraction form
    65,827,847,982.08/90,840,885,059.58 = 38,732,877,271.64/x
  3. Step 3: Cross multiply
    65,827,847,982.08x = 90,840,885,059.58 × 38,732,877,271.64
  4. Step 4: Simplify right side
    65,827,847,982.08x = 3,518,528,852,259,867,983,872
  5. Step 5: Solve for x
    x = 3,518,528,852,259,867,983,872/65,827,847,982.08
  6. Step 6: Final answer
    x = 53,450,461,470.62

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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.