Home / 13,470,228,510.81-18,589,035,626.76-7,449,141,336.45

Finding the Fourth Proportional to 13,470,228,510.81, 18,589,035,626.76 and 7,449,141,336.45

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Solution

The fourth proportional to 13,470,228,510.81, 18,589,035,626.76 and 7,449,141,336.45 is: 10,279,881,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,228,510.81 : 18,589,035,626.76 = 7,449,141,336.45 : x
  2. Step 2: Convert to fraction form
    13,470,228,510.81/18,589,035,626.76 = 7,449,141,336.45/x
  3. Step 3: Cross multiply
    13,470,228,510.81x = 18,589,035,626.76 × 7,449,141,336.45
  4. Step 4: Simplify right side
    13,470,228,510.81x = 138,472,353,692,039,626,752
  5. Step 5: Solve for x
    x = 138,472,353,692,039,626,752/13,470,228,510.81
  6. Step 6: Final answer
    x = 10,279,881,561.10

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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.