Home / 7,981,900,715.16-11,974,041,597.06-2,939,369,457.62

Finding the Fourth Proportional to 7,981,900,715.16, 11,974,041,597.06 and 2,939,369,457.62

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Solution

The fourth proportional to 7,981,900,715.16, 11,974,041,597.06 and 2,939,369,457.62 is: 4,409,492,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,900,715.16 : 11,974,041,597.06 = 2,939,369,457.62 : x
  2. Step 2: Convert to fraction form
    7,981,900,715.16/11,974,041,597.06 = 2,939,369,457.62/x
  3. Step 3: Cross multiply
    7,981,900,715.16x = 11,974,041,597.06 × 2,939,369,457.62
  4. Step 4: Simplify right side
    7,981,900,715.16x = 35,196,132,154,708,324,352
  5. Step 5: Solve for x
    x = 35,196,132,154,708,324,352/7,981,900,715.16
  6. Step 6: Final answer
    x = 4,409,492,602.16

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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.