Home / 593,586,008.30-890,379,012.45-438,617,812.70

Finding the Fourth Proportional to 593,586,008.30, 890,379,012.45 and 438,617,812.70

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Solution

The fourth proportional to 593,586,008.30, 890,379,012.45 and 438,617,812.70 is: 657,926,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,586,008.30 : 890,379,012.45 = 438,617,812.70 : x
  2. Step 2: Convert to fraction form
    593,586,008.30/890,379,012.45 = 438,617,812.70/x
  3. Step 3: Cross multiply
    593,586,008.30x = 890,379,012.45 × 438,617,812.70
  4. Step 4: Simplify right side
    593,586,008.30x = 390,536,094,914,805,056
  5. Step 5: Solve for x
    x = 390,536,094,914,805,056/593,586,008.30
  6. Step 6: Final answer
    x = 657,926,719.05

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1.5x scale

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.