Home / 1,076,545,947.92-1,485,634,005.24-581,508,659.12

Finding the Fourth Proportional to 1,076,545,947.92, 1,485,634,005.24 and 581,508,659.12

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Solution

The fourth proportional to 1,076,545,947.92, 1,485,634,005.24 and 581,508,659.12 is: 802,482,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,545,947.92 : 1,485,634,005.24 = 581,508,659.12 : x
  2. Step 2: Convert to fraction form
    1,076,545,947.92/1,485,634,005.24 = 581,508,659.12/x
  3. Step 3: Cross multiply
    1,076,545,947.92x = 1,485,634,005.24 × 581,508,659.12
  4. Step 4: Simplify right side
    1,076,545,947.92x = 863,909,038,330,187,520
  5. Step 5: Solve for x
    x = 863,909,038,330,187,520/1,076,545,947.92
  6. Step 6: Final answer
    x = 802,482,272.12

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Half scale
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Double scale
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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.