Home / 1,000,413,112.02-1,380,117,386.55-603,809,322.54

Finding the Fourth Proportional to 1,000,413,112.02, 1,380,117,386.55 and 603,809,322.54

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Solution

The fourth proportional to 1,000,413,112.02, 1,380,117,386.55 and 603,809,322.54 is: 832,983,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,413,112.02 : 1,380,117,386.55 = 603,809,322.54 : x
  2. Step 2: Convert to fraction form
    1,000,413,112.02/1,380,117,386.55 = 603,809,322.54/x
  3. Step 3: Cross multiply
    1,000,413,112.02x = 1,380,117,386.55 × 603,809,322.54
  4. Step 4: Simplify right side
    1,000,413,112.02x = 833,327,744,198,430,720
  5. Step 5: Solve for x
    x = 833,327,744,198,430,720/1,000,413,112.02
  6. Step 6: Final answer
    x = 832,983,628.65

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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.