Home / 409,706,904.42-614,762,142.77-191,325,507.96

Finding the Fourth Proportional to 409,706,904.42, 614,762,142.77 and 191,325,507.96

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Solution

The fourth proportional to 409,706,904.42, 614,762,142.77 and 191,325,507.96 is: 287,082,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,706,904.42 : 614,762,142.77 = 191,325,507.96 : x
  2. Step 2: Convert to fraction form
    409,706,904.42/614,762,142.77 = 191,325,507.96/x
  3. Step 3: Cross multiply
    409,706,904.42x = 614,762,142.77 × 191,325,507.96
  4. Step 4: Simplify right side
    409,706,904.42x = 117,619,679,239,091,664
  5. Step 5: Solve for x
    x = 117,619,679,239,091,664/409,706,904.42
  6. Step 6: Final answer
    x = 287,082,492.31

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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.