Home / 972,928,772.42-1,461,721,362.96-623,858,747.22

Finding the Fourth Proportional to 972,928,772.42, 1,461,721,362.96 and 623,858,747.22

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Solution

The fourth proportional to 972,928,772.42, 1,461,721,362.96 and 623,858,747.22 is: 937,281,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,928,772.42 : 1,461,721,362.96 = 623,858,747.22 : x
  2. Step 2: Convert to fraction form
    972,928,772.42/1,461,721,362.96 = 623,858,747.22/x
  3. Step 3: Cross multiply
    972,928,772.42x = 1,461,721,362.96 × 623,858,747.22
  4. Step 4: Simplify right side
    972,928,772.42x = 911,907,658,280,936,576
  5. Step 5: Solve for x
    x = 911,907,658,280,936,576/972,928,772.42
  6. Step 6: Final answer
    x = 937,281,005.70

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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.