Home / 1,133,205,788.52-1,563,830,191.61-657,178,394.78

Finding the Fourth Proportional to 1,133,205,788.52, 1,563,830,191.61 and 657,178,394.78

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Solution

The fourth proportional to 1,133,205,788.52, 1,563,830,191.61 and 657,178,394.78 is: 906,909,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,205,788.52 : 1,563,830,191.61 = 657,178,394.78 : x
  2. Step 2: Convert to fraction form
    1,133,205,788.52/1,563,830,191.61 = 657,178,394.78/x
  3. Step 3: Cross multiply
    1,133,205,788.52x = 1,563,830,191.61 × 657,178,394.78
  4. Step 4: Simplify right side
    1,133,205,788.52x = 1,027,715,415,033,880,576
  5. Step 5: Solve for x
    x = 1,027,715,415,033,880,576/1,133,205,788.52
  6. Step 6: Final answer
    x = 906,909,782.36

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Double scale
Find fourth proportional to 1,133,205,789.52, 1,563,830,192.99 and 657,178,395.78
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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.