Home / 1,109,603,004.48-1,530,671,595.66-686,081,285.48

Finding the Fourth Proportional to 1,109,603,004.48, 1,530,671,595.66 and 686,081,285.48

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Solution

The fourth proportional to 1,109,603,004.48, 1,530,671,595.66 and 686,081,285.48 is: 946,433,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,603,004.48 : 1,530,671,595.66 = 686,081,285.48 : x
  2. Step 2: Convert to fraction form
    1,109,603,004.48/1,530,671,595.66 = 686,081,285.48/x
  3. Step 3: Cross multiply
    1,109,603,004.48x = 1,530,671,595.66 × 686,081,285.48
  4. Step 4: Simplify right side
    1,109,603,004.48x = 1,050,165,136,001,962,240
  5. Step 5: Solve for x
    x = 1,050,165,136,001,962,240/1,109,603,004.48
  6. Step 6: Final answer
    x = 946,433,212.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.