Home / 1,712,212,820.74-2,362,865,785.80-929,931,668.74

Finding the Fourth Proportional to 1,712,212,820.74, 2,362,865,785.80 and 929,931,668.74

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Solution

The fourth proportional to 1,712,212,820.74, 2,362,865,785.80 and 929,931,668.74 is: 1,283,312,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,212,820.74 : 2,362,865,785.80 = 929,931,668.74 : x
  2. Step 2: Convert to fraction form
    1,712,212,820.74/2,362,865,785.80 = 929,931,668.74/x
  3. Step 3: Cross multiply
    1,712,212,820.74x = 2,362,865,785.80 × 929,931,668.74
  4. Step 4: Simplify right side
    1,712,212,820.74x = 2,197,303,723,197,645,568
  5. Step 5: Solve for x
    x = 2,197,303,723,197,645,568/1,712,212,820.74
  6. Step 6: Final answer
    x = 1,283,312,270.87

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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.