Home / 578,335,886.80-867,498,300.60-141,638,491.60

Finding the Fourth Proportional to 578,335,886.80, 867,498,300.60 and 141,638,491.60

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Solution

The fourth proportional to 578,335,886.80, 867,498,300.60 and 141,638,491.60 is: 212,456,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,335,886.80 : 867,498,300.60 = 141,638,491.60 : x
  2. Step 2: Convert to fraction form
    578,335,886.80/867,498,300.60 = 141,638,491.60/x
  3. Step 3: Cross multiply
    578,335,886.80x = 867,498,300.60 × 141,638,491.60
  4. Step 4: Simplify right side
    578,335,886.80x = 122,871,150,762,547,376
  5. Step 5: Solve for x
    x = 122,871,150,762,547,376/578,335,886.80
  6. Step 6: Final answer
    x = 212,456,383.16

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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.