Home / 489,357,226.80-734,035,840.20-470,545,527.60

Finding the Fourth Proportional to 489,357,226.80, 734,035,840.20 and 470,545,527.60

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Solution

The fourth proportional to 489,357,226.80, 734,035,840.20 and 470,545,527.60 is: 705,818,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,357,226.80 : 734,035,840.20 = 470,545,527.60 : x
  2. Step 2: Convert to fraction form
    489,357,226.80/734,035,840.20 = 470,545,527.60/x
  3. Step 3: Cross multiply
    489,357,226.80x = 734,035,840.20 × 470,545,527.60
  4. Step 4: Simplify right side
    489,357,226.80x = 345,397,281,704,218,304
  5. Step 5: Solve for x
    x = 345,397,281,704,218,304/489,357,226.80
  6. Step 6: Final answer
    x = 705,818,291.40

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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.