Home / 12,813,113,271.90-19,212,663,465.15-10,174,121,429.70

Finding the Fourth Proportional to 12,813,113,271.90, 19,212,663,465.15 and 10,174,121,429.70

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Solution

The fourth proportional to 12,813,113,271.90, 19,212,663,465.15 and 10,174,121,429.70 is: 15,255,618,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,113,271.90 : 19,212,663,465.15 = 10,174,121,429.70 : x
  2. Step 2: Convert to fraction form
    12,813,113,271.90/19,212,663,465.15 = 10,174,121,429.70/x
  3. Step 3: Cross multiply
    12,813,113,271.90x = 19,212,663,465.15 × 10,174,121,429.70
  4. Step 4: Simplify right side
    12,813,113,271.90x = 195,471,971,082,396,893,184
  5. Step 5: Solve for x
    x = 195,471,971,082,396,893,184/12,813,113,271.90
  6. Step 6: Final answer
    x = 15,255,618,750.45

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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.