Home / 377,614,522.71-521,038,864.70-210,346,621.35

Finding the Fourth Proportional to 377,614,522.71, 521,038,864.70 and 210,346,621.35

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Solution

The fourth proportional to 377,614,522.71, 521,038,864.70 and 210,346,621.35 is: 290,239,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,614,522.71 : 521,038,864.70 = 210,346,621.35 : x
  2. Step 2: Convert to fraction form
    377,614,522.71/521,038,864.70 = 210,346,621.35/x
  3. Step 3: Cross multiply
    377,614,522.71x = 521,038,864.70 × 210,346,621.35
  4. Step 4: Simplify right side
    377,614,522.71x = 109,598,764,780,256,752
  5. Step 5: Solve for x
    x = 109,598,764,780,256,752/377,614,522.71
  6. Step 6: Final answer
    x = 290,239,803.26

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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.