Home / 855,099,574.82-1,180,086,038.60-478,752,870.02

Finding the Fourth Proportional to 855,099,574.82, 1,180,086,038.60 and 478,752,870.02

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Solution

The fourth proportional to 855,099,574.82, 1,180,086,038.60 and 478,752,870.02 is: 660,706,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,099,574.82 : 1,180,086,038.60 = 478,752,870.02 : x
  2. Step 2: Convert to fraction form
    855,099,574.82/1,180,086,038.60 = 478,752,870.02/x
  3. Step 3: Cross multiply
    855,099,574.82x = 1,180,086,038.60 × 478,752,870.02
  4. Step 4: Simplify right side
    855,099,574.82x = 564,969,577,850,282,432
  5. Step 5: Solve for x
    x = 564,969,577,850,282,432/855,099,574.82
  6. Step 6: Final answer
    x = 660,706,184.97

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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.