Home / 768,947,904.36-1,153,429,088.22-186,687,264.60

Finding the Fourth Proportional to 768,947,904.36, 1,153,429,088.22 and 186,687,264.60

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Solution

The fourth proportional to 768,947,904.36, 1,153,429,088.22 and 186,687,264.60 is: 280,032,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,947,904.36 : 1,153,429,088.22 = 186,687,264.60 : x
  2. Step 2: Convert to fraction form
    768,947,904.36/1,153,429,088.22 = 186,687,264.60/x
  3. Step 3: Cross multiply
    768,947,904.36x = 1,153,429,088.22 × 186,687,264.60
  4. Step 4: Simplify right side
    768,947,904.36x = 215,330,521,389,863,872
  5. Step 5: Solve for x
    x = 215,330,521,389,863,872/768,947,904.36
  6. Step 6: Final answer
    x = 280,032,652.63

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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.