Home / 508,477,388.16-762,723,168.96-144,971,744.64

Finding the Fourth Proportional to 508,477,388.16, 762,723,168.96 and 144,971,744.64

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Solution

The fourth proportional to 508,477,388.16, 762,723,168.96 and 144,971,744.64 is: 217,459,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,477,388.16 : 762,723,168.96 = 144,971,744.64 : x
  2. Step 2: Convert to fraction form
    508,477,388.16/762,723,168.96 = 144,971,744.64/x
  3. Step 3: Cross multiply
    508,477,388.16x = 762,723,168.96 × 144,971,744.64
  4. Step 4: Simplify right side
    508,477,388.16x = 110,573,308,481,480,688
  5. Step 5: Solve for x
    x = 110,573,308,481,480,688/508,477,388.16
  6. Step 6: Final answer
    x = 217,459,637.45

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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.