Home / 1,076,545,973.92-1,485,634,041.20-581,508,685.12

Finding the Fourth Proportional to 1,076,545,973.92, 1,485,634,041.20 and 581,508,685.12

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Solution

The fourth proportional to 1,076,545,973.92, 1,485,634,041.20 and 581,508,685.12 is: 802,482,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,545,973.92 : 1,485,634,041.20 = 581,508,685.12 : x
  2. Step 2: Convert to fraction form
    1,076,545,973.92/1,485,634,041.20 = 581,508,685.12/x
  3. Step 3: Cross multiply
    1,076,545,973.92x = 1,485,634,041.20 × 581,508,685.12
  4. Step 4: Simplify right side
    1,076,545,973.92x = 863,909,097,867,723,904
  5. Step 5: Solve for x
    x = 863,909,097,867,723,904/1,076,545,973.92
  6. Step 6: Final answer
    x = 802,482,308.04

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Double scale
Find fourth proportional to 1,076,545,974.92, 1,485,634,042.58 and 581,508,686.12
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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.