Home / 686,343,637.26-947,610,300.06-527,290,486.38

Finding the Fourth Proportional to 686,343,637.26, 947,610,300.06 and 527,290,486.38

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Solution

The fourth proportional to 686,343,637.26, 947,610,300.06 and 527,290,486.38 is: 728,011,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,343,637.26 : 947,610,300.06 = 527,290,486.38 : x
  2. Step 2: Convert to fraction form
    686,343,637.26/947,610,300.06 = 527,290,486.38/x
  3. Step 3: Cross multiply
    686,343,637.26x = 947,610,300.06 × 527,290,486.38
  4. Step 4: Simplify right side
    686,343,637.26x = 499,665,896,017,335,104
  5. Step 5: Solve for x
    x = 499,665,896,017,335,104/686,343,637.26
  6. Step 6: Final answer
    x = 728,011,259.80

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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.