Home / 1,076,546,415.25-1,485,634,650.87-581,509,128.61

Finding the Fourth Proportional to 1,076,546,415.25, 1,485,634,650.87 and 581,509,128.61

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Solution

The fourth proportional to 1,076,546,415.25, 1,485,634,650.87 and 581,509,128.61 is: 802,482,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,546,415.25 : 1,485,634,650.87 = 581,509,128.61 : x
  2. Step 2: Convert to fraction form
    1,076,546,415.25/1,485,634,650.87 = 581,509,128.61/x
  3. Step 3: Cross multiply
    1,076,546,415.25x = 1,485,634,650.87 × 581,509,128.61
  4. Step 4: Simplify right side
    1,076,546,415.25x = 863,910,111,260,235,264
  5. Step 5: Solve for x
    x = 863,910,111,260,235,264/1,076,546,415.25
  6. Step 6: Final answer
    x = 802,482,920.40

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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.