Home / 780,487,898.52-1,076,974,005.84-445,982,104.02

Finding the Fourth Proportional to 780,487,898.52, 1,076,974,005.84 and 445,982,104.02

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Solution

The fourth proportional to 780,487,898.52, 1,076,974,005.84 and 445,982,104.02 is: 615,398,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,487,898.52 : 1,076,974,005.84 = 445,982,104.02 : x
  2. Step 2: Convert to fraction form
    780,487,898.52/1,076,974,005.84 = 445,982,104.02/x
  3. Step 3: Cross multiply
    780,487,898.52x = 1,076,974,005.84 × 445,982,104.02
  4. Step 4: Simplify right side
    780,487,898.52x = 480,311,133,099,370,880
  5. Step 5: Solve for x
    x = 480,311,133,099,370,880/780,487,898.52
  6. Step 6: Final answer
    x = 615,398,565.45

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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.