Home / 373,879,729.40-560,318,292.70-290,981,582.57

Finding the Fourth Proportional to 373,879,729.40, 560,318,292.70 and 290,981,582.57

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Solution

The fourth proportional to 373,879,729.40, 560,318,292.70 and 290,981,582.57 is: 436,082,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,879,729.40 : 560,318,292.70 = 290,981,582.57 : x
  2. Step 2: Convert to fraction form
    373,879,729.40/560,318,292.70 = 290,981,582.57/x
  3. Step 3: Cross multiply
    373,879,729.40x = 560,318,292.70 × 290,981,582.57
  4. Step 4: Simplify right side
    373,879,729.40x = 163,042,303,550,638,208
  5. Step 5: Solve for x
    x = 163,042,303,550,638,208/373,879,729.40
  6. Step 6: Final answer
    x = 436,082,223.05

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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.