Home / 907,973,009.89-1,360,856,442.60-492,464,535.46

Finding the Fourth Proportional to 907,973,009.89, 1,360,856,442.60 and 492,464,535.46

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Solution

The fourth proportional to 907,973,009.89, 1,360,856,442.60 and 492,464,535.46 is: 738,098,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,973,009.89 : 1,360,856,442.60 = 492,464,535.46 : x
  2. Step 2: Convert to fraction form
    907,973,009.89/1,360,856,442.60 = 492,464,535.46/x
  3. Step 3: Cross multiply
    907,973,009.89x = 1,360,856,442.60 × 492,464,535.46
  4. Step 4: Simplify right side
    907,973,009.89x = 670,173,535,832,757,120
  5. Step 5: Solve for x
    x = 670,173,535,832,757,120/907,973,009.89
  6. Step 6: Final answer
    x = 738,098,521.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.