Home / 45,785,420,243.20-68,678,130,364.80-38,438,779,859.20

Finding the Fourth Proportional to 45,785,420,243.20, 68,678,130,364.80 and 38,438,779,859.20

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Solution

The fourth proportional to 45,785,420,243.20, 68,678,130,364.80 and 38,438,779,859.20 is: 57,658,169,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785,420,243.20 : 68,678,130,364.80 = 38,438,779,859.20 : x
  2. Step 2: Convert to fraction form
    45,785,420,243.20/68,678,130,364.80 = 38,438,779,859.20/x
  3. Step 3: Cross multiply
    45,785,420,243.20x = 68,678,130,364.80 × 38,438,779,859.20
  4. Step 4: Simplify right side
    45,785,420,243.20x = 2,639,903,534,233,986,007,040
  5. Step 5: Solve for x
    x = 2,639,903,534,233,986,007,040/45,785,420,243.20
  6. Step 6: Final answer
    x = 57,658,169,788.80

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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.