Home / 1,612,618,910-2,224,225,857.72-1,216,158,588.08

Finding the Fourth Proportional to 1,612,618,910, 2,224,225,857.72 and 1,216,158,588.08

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Solution

The fourth proportional to 1,612,618,910, 2,224,225,857.72 and 1,216,158,588.08 is: 1,677,402,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,618,910 : 2,224,225,857.72 = 1,216,158,588.08 : x
  2. Step 2: Convert to fraction form
    1,612,618,910/2,224,225,857.72 = 1,216,158,588.08/x
  3. Step 3: Cross multiply
    1,612,618,910x = 2,224,225,857.72 × 1,216,158,588.08
  4. Step 4: Simplify right side
    1,612,618,910x = 2,705,011,378,695,781,888
  5. Step 5: Solve for x
    x = 2,705,011,378,695,781,888/1,612,618,910
  6. Step 6: Final answer
    x = 1,677,402,740.30

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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.