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Finding the Fourth Proportional to 615,699,130.40, 849,654,299.06 and 333,439,283.74

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Solution

The fourth proportional to 615,699,130.40, 849,654,299.06 and 333,439,283.74 is: 460,140,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,699,130.40 : 849,654,299.06 = 333,439,283.74 : x
  2. Step 2: Convert to fraction form
    615,699,130.40/849,654,299.06 = 333,439,283.74/x
  3. Step 3: Cross multiply
    615,699,130.40x = 849,654,299.06 × 333,439,283.74
  4. Step 4: Simplify right side
    615,699,130.40x = 283,308,120,900,929,888
  5. Step 5: Solve for x
    x = 283,308,120,900,929,888/615,699,130.40
  6. Step 6: Final answer
    x = 460,140,524.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.