Home / 739,437,787.17-1,020,456,031.02-409,412,955.33

Finding the Fourth Proportional to 739,437,787.17, 1,020,456,031.02 and 409,412,955.33

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Solution

The fourth proportional to 739,437,787.17, 1,020,456,031.02 and 409,412,955.33 is: 565,007,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,437,787.17 : 1,020,456,031.02 = 409,412,955.33 : x
  2. Step 2: Convert to fraction form
    739,437,787.17/1,020,456,031.02 = 409,412,955.33/x
  3. Step 3: Cross multiply
    739,437,787.17x = 1,020,456,031.02 × 409,412,955.33
  4. Step 4: Simplify right side
    739,437,787.17x = 417,787,919,444,220,352
  5. Step 5: Solve for x
    x = 417,787,919,444,220,352/739,437,787.17
  6. Step 6: Final answer
    x = 565,007,532.34

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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.