Home / 25,572,950,931.13-38,359,004,378.53-7,645,371,429.84

Finding the Fourth Proportional to 25,572,950,931.13, 38,359,004,378.53 and 7,645,371,429.84

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Solution

The fourth proportional to 25,572,950,931.13, 38,359,004,378.53 and 7,645,371,429.84 is: 11,467,930,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572,950,931.13 : 38,359,004,378.53 = 7,645,371,429.84 : x
  2. Step 2: Convert to fraction form
    25,572,950,931.13/38,359,004,378.53 = 7,645,371,429.84/x
  3. Step 3: Cross multiply
    25,572,950,931.13x = 38,359,004,378.53 × 7,645,371,429.84
  4. Step 4: Simplify right side
    25,572,950,931.13x = 293,268,836,152,697,815,040
  5. Step 5: Solve for x
    x = 293,268,836,152,697,815,040/25,572,950,931.13
  6. Step 6: Final answer
    x = 11,467,930,976.86

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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.