Home / 887,072,140.68-1,224,110,019.05-485,106,566.68

Finding the Fourth Proportional to 887,072,140.68, 1,224,110,019.05 and 485,106,566.68

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Solution

The fourth proportional to 887,072,140.68, 1,224,110,019.05 and 485,106,566.68 is: 669,419,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,072,140.68 : 1,224,110,019.05 = 485,106,566.68 : x
  2. Step 2: Convert to fraction form
    887,072,140.68/1,224,110,019.05 = 485,106,566.68/x
  3. Step 3: Cross multiply
    887,072,140.68x = 1,224,110,019.05 × 485,106,566.68
  4. Step 4: Simplify right side
    887,072,140.68x = 593,823,808,582,988,800
  5. Step 5: Solve for x
    x = 593,823,808,582,988,800/887,072,140.68
  6. Step 6: Final answer
    x = 669,419,973.13

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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.