Home / 1,686,159,876.67-2,327,144,143.55-971,558,619.01

Finding the Fourth Proportional to 1,686,159,876.67, 2,327,144,143.55 and 971,558,619.01

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Solution

The fourth proportional to 1,686,159,876.67, 2,327,144,143.55 and 971,558,619.01 is: 1,340,891,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,159,876.67 : 2,327,144,143.55 = 971,558,619.01 : x
  2. Step 2: Convert to fraction form
    1,686,159,876.67/2,327,144,143.55 = 971,558,619.01/x
  3. Step 3: Cross multiply
    1,686,159,876.67x = 2,327,144,143.55 × 971,558,619.01
  4. Step 4: Simplify right side
    1,686,159,876.67x = 2,260,956,950,333,971,712
  5. Step 5: Solve for x
    x = 2,260,956,950,333,971,712/1,686,159,876.67
  6. Step 6: Final answer
    x = 1,340,891,205.88

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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.