Home / 12,813,113,274.40-19,212,663,468.90-10,174,121,432.20

Finding the Fourth Proportional to 12,813,113,274.40, 19,212,663,468.90 and 10,174,121,432.20

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Solution

The fourth proportional to 12,813,113,274.40, 19,212,663,468.90 and 10,174,121,432.20 is: 15,255,618,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,113,274.40 : 19,212,663,468.90 = 10,174,121,432.20 : x
  2. Step 2: Convert to fraction form
    12,813,113,274.40/19,212,663,468.90 = 10,174,121,432.20/x
  3. Step 3: Cross multiply
    12,813,113,274.40x = 19,212,663,468.90 × 10,174,121,432.20
  4. Step 4: Simplify right side
    12,813,113,274.40x = 195,471,971,168,581,517,312
  5. Step 5: Solve for x
    x = 195,471,971,168,581,517,312/12,813,113,274.40
  6. Step 6: Final answer
    x = 15,255,618,754.20

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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.