Home / 747,147,513.40-1,119,209,615.70-517,376,044.60

Finding the Fourth Proportional to 747,147,513.40, 1,119,209,615.70 and 517,376,044.60

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Solution

The fourth proportional to 747,147,513.40, 1,119,209,615.70 and 517,376,044.60 is: 775,017,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,147,513.40 : 1,119,209,615.70 = 517,376,044.60 : x
  2. Step 2: Convert to fraction form
    747,147,513.40/1,119,209,615.70 = 517,376,044.60/x
  3. Step 3: Cross multiply
    747,147,513.40x = 1,119,209,615.70 × 517,376,044.60
  4. Step 4: Simplify right side
    747,147,513.40x = 579,052,244,049,152,128
  5. Step 5: Solve for x
    x = 579,052,244,049,152,128/747,147,513.40
  6. Step 6: Final answer
    x = 775,017,293.99

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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.