Home / 983,710,678.34-1,357,517,438.92-537,673,783.44

Finding the Fourth Proportional to 983,710,678.34, 1,357,517,438.92 and 537,673,783.44

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Solution

The fourth proportional to 983,710,678.34, 1,357,517,438.92 and 537,673,783.44 is: 741,988,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,710,678.34 : 1,357,517,438.92 = 537,673,783.44 : x
  2. Step 2: Convert to fraction form
    983,710,678.34/1,357,517,438.92 = 537,673,783.44/x
  3. Step 3: Cross multiply
    983,710,678.34x = 1,357,517,438.92 × 537,673,783.44
  4. Step 4: Simplify right side
    983,710,678.34x = 729,901,537,469,895,680
  5. Step 5: Solve for x
    x = 729,901,537,469,895,680/983,710,678.34
  6. Step 6: Final answer
    x = 741,988,018.98

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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.