Home / 1,237,404,552-1,707,663,179.52-708,870,687.36

Finding the Fourth Proportional to 1,237,404,552, 1,707,663,179.52 and 708,870,687.36

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Solution

The fourth proportional to 1,237,404,552, 1,707,663,179.52 and 708,870,687.36 is: 978,267,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,404,552 : 1,707,663,179.52 = 708,870,687.36 : x
  2. Step 2: Convert to fraction form
    1,237,404,552/1,707,663,179.52 = 708,870,687.36/x
  3. Step 3: Cross multiply
    1,237,404,552x = 1,707,663,179.52 × 708,870,687.36
  4. Step 4: Simplify right side
    1,237,404,552x = 1,210,512,371,845,705,472
  5. Step 5: Solve for x
    x = 1,210,512,371,845,705,472/1,237,404,552
  6. Step 6: Final answer
    x = 978,267,269.09

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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.