Home / 972,928,901.94-1,461,721,557.78-623,858,877.06

Finding the Fourth Proportional to 972,928,901.94, 1,461,721,557.78 and 623,858,877.06

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Solution

The fourth proportional to 972,928,901.94, 1,461,721,557.78 and 623,858,877.06 is: 937,281,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,928,901.94 : 1,461,721,557.78 = 623,858,877.06 : x
  2. Step 2: Convert to fraction form
    972,928,901.94/1,461,721,557.78 = 623,858,877.06/x
  3. Step 3: Cross multiply
    972,928,901.94x = 1,461,721,557.78 × 623,858,877.06
  4. Step 4: Simplify right side
    972,928,901.94x = 911,907,969,611,024,640
  5. Step 5: Solve for x
    x = 911,907,969,611,024,640/972,928,901.94
  6. Step 6: Final answer
    x = 937,281,200.91

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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.