Home / 1,166,021,086.40-1,749,031,629.60-304,378,078.40

Finding the Fourth Proportional to 1,166,021,086.40, 1,749,031,629.60 and 304,378,078.40

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Solution

The fourth proportional to 1,166,021,086.40, 1,749,031,629.60 and 304,378,078.40 is: 456,567,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,021,086.40 : 1,749,031,629.60 = 304,378,078.40 : x
  2. Step 2: Convert to fraction form
    1,166,021,086.40/1,749,031,629.60 = 304,378,078.40/x
  3. Step 3: Cross multiply
    1,166,021,086.40x = 1,749,031,629.60 × 304,378,078.40
  4. Step 4: Simplify right side
    1,166,021,086.40x = 532,366,886,478,468,480
  5. Step 5: Solve for x
    x = 532,366,886,478,468,480/1,166,021,086.40
  6. Step 6: Final answer
    x = 456,567,117.60

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Half scale
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Double scale
Find fourth proportional to 1,166,021,087.40, 1,749,031,631.10 and 304,378,079.40
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.