Home / 19,045,718,378.56-28,579,717,709.71-7,102,221,931.85

Finding the Fourth Proportional to 19,045,718,378.56, 28,579,717,709.71 and 7,102,221,931.85

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Solution

The fourth proportional to 19,045,718,378.56, 28,579,717,709.71 and 7,102,221,931.85 is: 10,657,487,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045,718,378.56 : 28,579,717,709.71 = 7,102,221,931.85 : x
  2. Step 2: Convert to fraction form
    19,045,718,378.56/28,579,717,709.71 = 7,102,221,931.85/x
  3. Step 3: Cross multiply
    19,045,718,378.56x = 28,579,717,709.71 × 7,102,221,931.85
  4. Step 4: Simplify right side
    19,045,718,378.56x = 202,979,497,923,827,105,792
  5. Step 5: Solve for x
    x = 202,979,497,923,827,105,792/19,045,718,378.56
  6. Step 6: Final answer
    x = 10,657,487,099.69

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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.