Home / 427,497,017.41-589,641,692.16-392,328,417.16

Finding the Fourth Proportional to 427,497,017.41, 589,641,692.16 and 392,328,417.16

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Solution

The fourth proportional to 427,497,017.41, 589,641,692.16 and 392,328,417.16 is: 541,134,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,497,017.41 : 589,641,692.16 = 392,328,417.16 : x
  2. Step 2: Convert to fraction form
    427,497,017.41/589,641,692.16 = 392,328,417.16/x
  3. Step 3: Cross multiply
    427,497,017.41x = 589,641,692.16 × 392,328,417.16
  4. Step 4: Simplify right side
    427,497,017.41x = 231,333,191,776,676,768
  5. Step 5: Solve for x
    x = 231,333,191,776,676,768/427,497,017.41
  6. Step 6: Final answer
    x = 541,134,048.56

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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.