Home / 5,260,343,308.64-7,889,528,480.16-2,639,443,700.96

Finding the Fourth Proportional to 5,260,343,308.64, 7,889,528,480.16 and 2,639,443,700.96

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Solution

The fourth proportional to 5,260,343,308.64, 7,889,528,480.16 and 2,639,443,700.96 is: 3,958,670,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260,343,308.64 : 7,889,528,480.16 = 2,639,443,700.96 : x
  2. Step 2: Convert to fraction form
    5,260,343,308.64/7,889,528,480.16 = 2,639,443,700.96/x
  3. Step 3: Cross multiply
    5,260,343,308.64x = 7,889,528,480.16 × 2,639,443,700.96
  4. Step 4: Simplify right side
    5,260,343,308.64x = 20,823,966,250,502,836,224
  5. Step 5: Solve for x
    x = 20,823,966,250,502,836,224/5,260,343,308.64
  6. Step 6: Final answer
    x = 3,958,670,571.23

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1.5x scale

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.