Home / 3,911,040,253.80-5,867,599,643.10-1,699,300,909.80

Finding the Fourth Proportional to 3,911,040,253.80, 5,867,599,643.10 and 1,699,300,909.80

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Solution

The fourth proportional to 3,911,040,253.80, 5,867,599,643.10 and 1,699,300,909.80 is: 2,549,402,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,040,253.80 : 5,867,599,643.10 = 1,699,300,909.80 : x
  2. Step 2: Convert to fraction form
    3,911,040,253.80/5,867,599,643.10 = 1,699,300,909.80/x
  3. Step 3: Cross multiply
    3,911,040,253.80x = 5,867,599,643.10 × 1,699,300,909.80
  4. Step 4: Simplify right side
    3,911,040,253.80x = 9,970,817,411,861,985,280
  5. Step 5: Solve for x
    x = 9,970,817,411,861,985,280/3,911,040,253.80
  6. Step 6: Final answer
    x = 2,549,402,911.97

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Double scale
Find fourth proportional to 3,911,040,254.80, 5,867,599,644.60 and 1,699,300,910.80
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1.5x scale

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.