Home / 80,071,670,359.81-110,491,601,589.45-47,513,273,465.16

Finding the Fourth Proportional to 80,071,670,359.81, 110,491,601,589.45 and 47,513,273,465.16

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Solution

The fourth proportional to 80,071,670,359.81, 110,491,601,589.45 and 47,513,273,465.16 is: 65,563,983,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,071,670,359.81 : 110,491,601,589.45 = 47,513,273,465.16 : x
  2. Step 2: Convert to fraction form
    80,071,670,359.81/110,491,601,589.45 = 47,513,273,465.16/x
  3. Step 3: Cross multiply
    80,071,670,359.81x = 110,491,601,589.45 × 47,513,273,465.16
  4. Step 4: Simplify right side
    80,071,670,359.81x = 5,249,817,681,923,045,064,704
  5. Step 5: Solve for x
    x = 5,249,817,681,923,045,064,704/80,071,670,359.81
  6. Step 6: Final answer
    x = 65,563,983,595.35

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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.