Home / 1,686,159,872.16-2,327,144,137.34-971,558,614.51

Finding the Fourth Proportional to 1,686,159,872.16, 2,327,144,137.34 and 971,558,614.51

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Solution

The fourth proportional to 1,686,159,872.16, 2,327,144,137.34 and 971,558,614.51 is: 1,340,891,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,159,872.16 : 2,327,144,137.34 = 971,558,614.51 : x
  2. Step 2: Convert to fraction form
    1,686,159,872.16/2,327,144,137.34 = 971,558,614.51/x
  3. Step 3: Cross multiply
    1,686,159,872.16x = 2,327,144,137.34 × 971,558,614.51
  4. Step 4: Simplify right side
    1,686,159,872.16x = 2,260,956,933,828,444,160
  5. Step 5: Solve for x
    x = 2,260,956,933,828,444,160/1,686,159,872.16
  6. Step 6: Final answer
    x = 1,340,891,199.68

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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.