Home / 1,530,624,822.72-2,112,329,146.07-861,613,037.16

Finding the Fourth Proportional to 1,530,624,822.72, 2,112,329,146.07 and 861,613,037.16

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Solution

The fourth proportional to 1,530,624,822.72, 2,112,329,146.07 and 861,613,037.16 is: 1,189,063,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,624,822.72 : 2,112,329,146.07 = 861,613,037.16 : x
  2. Step 2: Convert to fraction form
    1,530,624,822.72/2,112,329,146.07 = 861,613,037.16/x
  3. Step 3: Cross multiply
    1,530,624,822.72x = 2,112,329,146.07 × 861,613,037.16
  4. Step 4: Simplify right side
    1,530,624,822.72x = 1,820,010,331,021,172,224
  5. Step 5: Solve for x
    x = 1,820,010,331,021,172,224/1,530,624,822.72
  6. Step 6: Final answer
    x = 1,189,063,645.13

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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.