Home / 347,750,821.40-521,626,232.10-186,507,685.40

Finding the Fourth Proportional to 347,750,821.40, 521,626,232.10 and 186,507,685.40

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Solution

The fourth proportional to 347,750,821.40, 521,626,232.10 and 186,507,685.40 is: 279,761,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,750,821.40 : 521,626,232.10 = 186,507,685.40 : x
  2. Step 2: Convert to fraction form
    347,750,821.40/521,626,232.10 = 186,507,685.40/x
  3. Step 3: Cross multiply
    347,750,821.40x = 521,626,232.10 × 186,507,685.40
  4. Step 4: Simplify right side
    347,750,821.40x = 97,287,301,192,894,192
  5. Step 5: Solve for x
    x = 97,287,301,192,894,192/347,750,821.40
  6. Step 6: Final answer
    x = 279,761,528.10

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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.