Home / 1,786,258,153.47-2,679,692,483.64-736,422,463.75

Finding the Fourth Proportional to 1,786,258,153.47, 2,679,692,483.64 and 736,422,463.75

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Solution

The fourth proportional to 1,786,258,153.47, 2,679,692,483.64 and 736,422,463.75 is: 1,104,759,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,258,153.47 : 2,679,692,483.64 = 736,422,463.75 : x
  2. Step 2: Convert to fraction form
    1,786,258,153.47/2,679,692,483.64 = 736,422,463.75/x
  3. Step 3: Cross multiply
    1,786,258,153.47x = 2,679,692,483.64 × 736,422,463.75
  4. Step 4: Simplify right side
    1,786,258,153.47x = 1,973,385,740,894,525,184
  5. Step 5: Solve for x
    x = 1,973,385,740,894,525,184/1,786,258,153.47
  6. Step 6: Final answer
    x = 1,104,759,542.77

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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.