Home / 855,237,966.53-1,180,228,393.91-464,097,390.53

Finding the Fourth Proportional to 855,237,966.53, 1,180,228,393.91 and 464,097,390.53

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Solution

The fourth proportional to 855,237,966.53, 1,180,228,393.91 and 464,097,390.53 is: 640,454,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,237,966.53 : 1,180,228,393.91 = 464,097,390.53 : x
  2. Step 2: Convert to fraction form
    855,237,966.53/1,180,228,393.91 = 464,097,390.53/x
  3. Step 3: Cross multiply
    855,237,966.53x = 1,180,228,393.91 × 464,097,390.53
  4. Step 4: Simplify right side
    855,237,966.53x = 547,740,917,838,302,976
  5. Step 5: Solve for x
    x = 547,740,917,838,302,976/855,237,966.53
  6. Step 6: Final answer
    x = 640,454,398.98

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1.5x scale

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.