Home / 1,202,054,343.48-1,658,831,293.08-666,240,176.16

Finding the Fourth Proportional to 1,202,054,343.48, 1,658,831,293.08 and 666,240,176.16

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Solution

The fourth proportional to 1,202,054,343.48, 1,658,831,293.08 and 666,240,176.16 is: 919,409,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,054,343.48 : 1,658,831,293.08 = 666,240,176.16 : x
  2. Step 2: Convert to fraction form
    1,202,054,343.48/1,658,831,293.08 = 666,240,176.16/x
  3. Step 3: Cross multiply
    1,202,054,343.48x = 1,658,831,293.08 × 666,240,176.16
  4. Step 4: Simplify right side
    1,202,054,343.48x = 1,105,180,052,921,339,648
  5. Step 5: Solve for x
    x = 1,105,180,052,921,339,648/1,202,054,343.48
  6. Step 6: Final answer
    x = 919,409,391.86

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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.