Home / 1,166,003,465.33-1,749,005,198.13-389,649,126.08

Finding the Fourth Proportional to 1,166,003,465.33, 1,749,005,198.13 and 389,649,126.08

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Solution

The fourth proportional to 1,166,003,465.33, 1,749,005,198.13 and 389,649,126.08 is: 584,473,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,003,465.33 : 1,749,005,198.13 = 389,649,126.08 : x
  2. Step 2: Convert to fraction form
    1,166,003,465.33/1,749,005,198.13 = 389,649,126.08/x
  3. Step 3: Cross multiply
    1,166,003,465.33x = 1,749,005,198.13 × 389,649,126.08
  4. Step 4: Simplify right side
    1,166,003,465.33x = 681,498,346,960,731,776
  5. Step 5: Solve for x
    x = 681,498,346,960,731,776/1,166,003,465.33
  6. Step 6: Final answer
    x = 584,473,689.17

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Half scale
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Double scale
Find fourth proportional to 1,166,003,466.33, 1,749,005,199.63 and 389,649,127.08
Similar ratio
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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.