Home / 691,485,570.69-1,037,230,128.33-282,541,719.57

Finding the Fourth Proportional to 691,485,570.69, 1,037,230,128.33 and 282,541,719.57

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Solution

The fourth proportional to 691,485,570.69, 1,037,230,128.33 and 282,541,719.57 is: 423,813,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,485,570.69 : 1,037,230,128.33 = 282,541,719.57 : x
  2. Step 2: Convert to fraction form
    691,485,570.69/1,037,230,128.33 = 282,541,719.57/x
  3. Step 3: Cross multiply
    691,485,570.69x = 1,037,230,128.33 × 282,541,719.57
  4. Step 4: Simplify right side
    691,485,570.69x = 293,060,784,048,169,984
  5. Step 5: Solve for x
    x = 293,060,784,048,169,984/691,485,570.69
  6. Step 6: Final answer
    x = 423,813,303.52

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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.