Home / 489,943,807.60-734,915,711.40-245,055,794.80

Finding the Fourth Proportional to 489,943,807.60, 734,915,711.40 and 245,055,794.80

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Solution

The fourth proportional to 489,943,807.60, 734,915,711.40 and 245,055,794.80 is: 367,583,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,943,807.60 : 734,915,711.40 = 245,055,794.80 : x
  2. Step 2: Convert to fraction form
    489,943,807.60/734,915,711.40 = 245,055,794.80/x
  3. Step 3: Cross multiply
    489,943,807.60x = 734,915,711.40 × 245,055,794.80
  4. Step 4: Simplify right side
    489,943,807.60x = 180,095,353,768,134,432
  5. Step 5: Solve for x
    x = 180,095,353,768,134,432/489,943,807.60
  6. Step 6: Final answer
    x = 367,583,692.20

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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.