Home / 593,586,007.80-890,379,011.70-438,617,812.20

Finding the Fourth Proportional to 593,586,007.80, 890,379,011.70 and 438,617,812.20

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Solution

The fourth proportional to 593,586,007.80, 890,379,011.70 and 438,617,812.20 is: 657,926,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,586,007.80 : 890,379,011.70 = 438,617,812.20 : x
  2. Step 2: Convert to fraction form
    593,586,007.80/890,379,011.70 = 438,617,812.20/x
  3. Step 3: Cross multiply
    593,586,007.80x = 890,379,011.70 × 438,617,812.20
  4. Step 4: Simplify right side
    593,586,007.80x = 390,536,094,140,652,224
  5. Step 5: Solve for x
    x = 390,536,094,140,652,224/593,586,007.80
  6. Step 6: Final answer
    x = 657,926,718.30

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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.