Home / 972,928,710.35-1,461,721,270.09-623,858,685.47

Finding the Fourth Proportional to 972,928,710.35, 1,461,721,270.09 and 623,858,685.47

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Solution

The fourth proportional to 972,928,710.35, 1,461,721,270.09 and 623,858,685.47 is: 937,280,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,928,710.35 : 1,461,721,270.09 = 623,858,685.47 : x
  2. Step 2: Convert to fraction form
    972,928,710.35/1,461,721,270.09 = 623,858,685.47/x
  3. Step 3: Cross multiply
    972,928,710.35x = 1,461,721,270.09 × 623,858,685.47
  4. Step 4: Simplify right side
    972,928,710.35x = 911,907,510,081,886,208
  5. Step 5: Solve for x
    x = 911,907,510,081,886,208/972,928,710.35
  6. Step 6: Final answer
    x = 937,280,913.17

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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.