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Finding the Fourth Proportional to 469,853,018.40, 704,779,527.60 and 469,853,018.40

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Solution

The fourth proportional to 469,853,018.40, 704,779,527.60 and 469,853,018.40 is: 704,779,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,853,018.40 : 704,779,527.60 = 469,853,018.40 : x
  2. Step 2: Convert to fraction form
    469,853,018.40/704,779,527.60 = 469,853,018.40/x
  3. Step 3: Cross multiply
    469,853,018.40x = 704,779,527.60 × 469,853,018.40
  4. Step 4: Simplify right side
    469,853,018.40x = 331,142,788,349,386,112
  5. Step 5: Solve for x
    x = 331,142,788,349,386,112/469,853,018.40
  6. Step 6: Final answer
    x = 704,779,527.60

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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.