Home / 748,307,563.20-1,122,461,344.80-472,808,548.80

Finding the Fourth Proportional to 748,307,563.20, 1,122,461,344.80 and 472,808,548.80

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Solution

The fourth proportional to 748,307,563.20, 1,122,461,344.80 and 472,808,548.80 is: 709,212,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,307,563.20 : 1,122,461,344.80 = 472,808,548.80 : x
  2. Step 2: Convert to fraction form
    748,307,563.20/1,122,461,344.80 = 472,808,548.80/x
  3. Step 3: Cross multiply
    748,307,563.20x = 1,122,461,344.80 × 472,808,548.80
  4. Step 4: Simplify right side
    748,307,563.20x = 530,709,319,518,984,448
  5. Step 5: Solve for x
    x = 530,709,319,518,984,448/748,307,563.20
  6. Step 6: Final answer
    x = 709,212,823.20

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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.