Home / 832,199,393.12-1,147,999,758.93-514,558,101.29

Finding the Fourth Proportional to 832,199,393.12, 1,147,999,758.93 and 514,558,101.29

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Solution

The fourth proportional to 832,199,393.12, 1,147,999,758.93 and 514,558,101.29 is: 709,820,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,199,393.12 : 1,147,999,758.93 = 514,558,101.29 : x
  2. Step 2: Convert to fraction form
    832,199,393.12/1,147,999,758.93 = 514,558,101.29/x
  3. Step 3: Cross multiply
    832,199,393.12x = 1,147,999,758.93 × 514,558,101.29
  4. Step 4: Simplify right side
    832,199,393.12x = 590,712,576,230,658,560
  5. Step 5: Solve for x
    x = 590,712,576,230,658,560/832,199,393.12
  6. Step 6: Final answer
    x = 709,820,964.92

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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.