Home / 1,133,205,789.52-1,563,830,192.99-657,178,395.78

Finding the Fourth Proportional to 1,133,205,789.52, 1,563,830,192.99 and 657,178,395.78

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Solution

The fourth proportional to 1,133,205,789.52, 1,563,830,192.99 and 657,178,395.78 is: 906,909,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,205,789.52 : 1,563,830,192.99 = 657,178,395.78 : x
  2. Step 2: Convert to fraction form
    1,133,205,789.52/1,563,830,192.99 = 657,178,395.78/x
  3. Step 3: Cross multiply
    1,133,205,789.52x = 1,563,830,192.99 × 657,178,395.78
  4. Step 4: Simplify right side
    1,133,205,789.52x = 1,027,715,417,501,495,936
  5. Step 5: Solve for x
    x = 1,027,715,417,501,495,936/1,133,205,789.52
  6. Step 6: Final answer
    x = 906,909,783.74

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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.