Home / 13,886,867,545.44-19,163,862,648.72-7,543,240,415.52

Finding the Fourth Proportional to 13,886,867,545.44, 19,163,862,648.72 and 7,543,240,415.52

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Solution

The fourth proportional to 13,886,867,545.44, 19,163,862,648.72 and 7,543,240,415.52 is: 10,409,663,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,867,545.44 : 19,163,862,648.72 = 7,543,240,415.52 : x
  2. Step 2: Convert to fraction form
    13,886,867,545.44/19,163,862,648.72 = 7,543,240,415.52/x
  3. Step 3: Cross multiply
    13,886,867,545.44x = 19,163,862,648.72 × 7,543,240,415.52
  4. Step 4: Simplify right side
    13,886,867,545.44x = 144,557,623,249,298,882,560
  5. Step 5: Solve for x
    x = 144,557,623,249,298,882,560/13,886,867,545.44
  6. Step 6: Final answer
    x = 10,409,663,862.37

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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.