Home / 1,260,107,459.80-1,889,594,319.30-483,495,011.80

Finding the Fourth Proportional to 1,260,107,459.80, 1,889,594,319.30 and 483,495,011.80

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Solution

The fourth proportional to 1,260,107,459.80, 1,889,594,319.30 and 483,495,011.80 is: 725,025,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,107,459.80 : 1,889,594,319.30 = 483,495,011.80 : x
  2. Step 2: Convert to fraction form
    1,260,107,459.80/1,889,594,319.30 = 483,495,011.80/x
  3. Step 3: Cross multiply
    1,260,107,459.80x = 1,889,594,319.30 × 483,495,011.80
  4. Step 4: Simplify right side
    1,260,107,459.80x = 913,609,427,707,166,464
  5. Step 5: Solve for x
    x = 913,609,427,707,166,464/1,260,107,459.80
  6. Step 6: Final answer
    x = 725,025,013.23

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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.