Home / 12,108,619,510.60-18,172,199,756.40-5,480,903,045.20

Finding the Fourth Proportional to 12,108,619,510.60, 18,172,199,756.40 and 5,480,903,045.20

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Solution

The fourth proportional to 12,108,619,510.60, 18,172,199,756.40 and 5,480,903,045.20 is: 8,225,550,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,619,510.60 : 18,172,199,756.40 = 5,480,903,045.20 : x
  2. Step 2: Convert to fraction form
    12,108,619,510.60/18,172,199,756.40 = 5,480,903,045.20/x
  3. Step 3: Cross multiply
    12,108,619,510.60x = 18,172,199,756.40 × 5,480,903,045.20
  4. Step 4: Simplify right side
    12,108,619,510.60x = 99,600,064,982,835,462,144
  5. Step 5: Solve for x
    x = 99,600,064,982,835,462,144/12,108,619,510.60
  6. Step 6: Final answer
    x = 8,225,550,806.65

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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.