Home / 962,430,872.64-1,328,120,239.68-544,734,189.60

Finding the Fourth Proportional to 962,430,872.64, 1,328,120,239.68 and 544,734,189.60

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Solution

The fourth proportional to 962,430,872.64, 1,328,120,239.68 and 544,734,189.60 is: 751,713,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,430,872.64 : 1,328,120,239.68 = 544,734,189.60 : x
  2. Step 2: Convert to fraction form
    962,430,872.64/1,328,120,239.68 = 544,734,189.60/x
  3. Step 3: Cross multiply
    962,430,872.64x = 1,328,120,239.68 × 544,734,189.60
  4. Step 4: Simplify right side
    962,430,872.64x = 723,472,502,453,442,688
  5. Step 5: Solve for x
    x = 723,472,502,453,442,688/962,430,872.64
  6. Step 6: Final answer
    x = 751,713,731.37

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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.