Home / 578,351,206.80-867,521,280.60-141,653,811.60

Finding the Fourth Proportional to 578,351,206.80, 867,521,280.60 and 141,653,811.60

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Solution

The fourth proportional to 578,351,206.80, 867,521,280.60 and 141,653,811.60 is: 212,479,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,351,206.80 : 867,521,280.60 = 141,653,811.60 : x
  2. Step 2: Convert to fraction form
    578,351,206.80/867,521,280.60 = 141,653,811.60/x
  3. Step 3: Cross multiply
    578,351,206.80x = 867,521,280.60 × 141,653,811.60
  4. Step 4: Simplify right side
    578,351,206.80x = 122,887,696,041,103,136
  5. Step 5: Solve for x
    x = 122,887,696,041,103,136/578,351,206.80
  6. Step 6: Final answer
    x = 212,479,363.05

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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.