Home / 1,237,404,553-1,707,663,180.90-708,870,688.36

Finding the Fourth Proportional to 1,237,404,553, 1,707,663,180.90 and 708,870,688.36

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Solution

The fourth proportional to 1,237,404,553, 1,707,663,180.90 and 708,870,688.36 is: 978,267,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,404,553 : 1,707,663,180.90 = 708,870,688.36 : x
  2. Step 2: Convert to fraction form
    1,237,404,553/1,707,663,180.90 = 708,870,688.36/x
  3. Step 3: Cross multiply
    1,237,404,553x = 1,707,663,180.90 × 708,870,688.36
  4. Step 4: Simplify right side
    1,237,404,553x = 1,210,512,374,531,610,368
  5. Step 5: Solve for x
    x = 1,210,512,374,531,610,368/1,237,404,553
  6. Step 6: Final answer
    x = 978,267,270.47

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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.