Home / 860,273,612,287.80-1,187,171,545,646.50-469,640,176,037.40

Finding the Fourth Proportional to 860,273,612,287.80, 1,187,171,545,646.50 and 469,640,176,037.40

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Solution

The fourth proportional to 860,273,612,287.80, 1,187,171,545,646.50 and 469,640,176,037.40 is: 648,100,145,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,273,612,287.80 : 1,187,171,545,646.50 = 469,640,176,037.40 : x
  2. Step 2: Convert to fraction form
    860,273,612,287.80/1,187,171,545,646.50 = 469,640,176,037.40/x
  3. Step 3: Cross multiply
    860,273,612,287.80x = 1,187,171,545,646.50 × 469,640,176,037.40
  4. Step 4: Simplify right side
    860,273,612,287.80x = 557,543,453,684,014,570,799,104
  5. Step 5: Solve for x
    x = 557,543,453,684,014,570,799,104/860,273,612,287.80
  6. Step 6: Final answer
    x = 648,100,145,953.90

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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.