Home / 708,554,474.94-1,062,710,599.02-190,863,845.58

Finding the Fourth Proportional to 708,554,474.94, 1,062,710,599.02 and 190,863,845.58

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Solution

The fourth proportional to 708,554,474.94, 1,062,710,599.02 and 190,863,845.58 is: 286,263,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,554,474.94 : 1,062,710,599.02 = 190,863,845.58 : x
  2. Step 2: Convert to fraction form
    708,554,474.94/1,062,710,599.02 = 190,863,845.58/x
  3. Step 3: Cross multiply
    708,554,474.94x = 1,062,710,599.02 × 190,863,845.58
  4. Step 4: Simplify right side
    708,554,474.94x = 202,833,031,667,582,592
  5. Step 5: Solve for x
    x = 202,833,031,667,582,592/708,554,474.94
  6. Step 6: Final answer
    x = 286,263,143.97

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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.