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Finding the Fourth Proportional to 577,459,808.70, 866,402,289.45 and 189,295,302.30

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Solution

The fourth proportional to 577,459,808.70, 866,402,289.45 and 189,295,302.30 is: 284,012,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,459,808.70 : 866,402,289.45 = 189,295,302.30 : x
  2. Step 2: Convert to fraction form
    577,459,808.70/866,402,289.45 = 189,295,302.30/x
  3. Step 3: Cross multiply
    577,459,808.70x = 866,402,289.45 × 189,295,302.30
  4. Step 4: Simplify right side
    577,459,808.70x = 164,005,883,294,849,856
  5. Step 5: Solve for x
    x = 164,005,883,294,849,856/577,459,808.70
  6. Step 6: Final answer
    x = 284,012,637.46

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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.