Home / 1,132,657,696.31-1,563,146,180.01-686,639,858.36

Finding the Fourth Proportional to 1,132,657,696.31, 1,563,146,180.01 and 686,639,858.36

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Solution

The fourth proportional to 1,132,657,696.31, 1,563,146,180.01 and 686,639,858.36 is: 947,610,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,657,696.31 : 1,563,146,180.01 = 686,639,858.36 : x
  2. Step 2: Convert to fraction form
    1,132,657,696.31/1,563,146,180.01 = 686,639,858.36/x
  3. Step 3: Cross multiply
    1,132,657,696.31x = 1,563,146,180.01 × 686,639,858.36
  4. Step 4: Simplify right side
    1,132,657,696.31x = 1,073,318,471,630,225,792
  5. Step 5: Solve for x
    x = 1,073,318,471,630,225,792/1,132,657,696.31
  6. Step 6: Final answer
    x = 947,610,628.64

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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.