Home / 1,473,152,848.26-2,209,708,462.91-685,766,105.20

Finding the Fourth Proportional to 1,473,152,848.26, 2,209,708,462.91 and 685,766,105.20

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Solution

The fourth proportional to 1,473,152,848.26, 2,209,708,462.91 and 685,766,105.20 is: 1,028,639,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,152,848.26 : 2,209,708,462.91 = 685,766,105.20 : x
  2. Step 2: Convert to fraction form
    1,473,152,848.26/2,209,708,462.91 = 685,766,105.20/x
  3. Step 3: Cross multiply
    1,473,152,848.26x = 2,209,708,462.91 × 685,766,105.20
  4. Step 4: Simplify right side
    1,473,152,848.26x = 1,515,343,166,237,269,248
  5. Step 5: Solve for x
    x = 1,515,343,166,237,269,248/1,473,152,848.26
  6. Step 6: Final answer
    x = 1,028,639,470.80

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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.