Home / 555,132,022.80-832,100,837.40-209,952,272.40

Finding the Fourth Proportional to 555,132,022.80, 832,100,837.40 and 209,952,272.40

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Solution

The fourth proportional to 555,132,022.80, 832,100,837.40 and 209,952,272.40 is: 314,702,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,132,022.80 : 832,100,837.40 = 209,952,272.40 : x
  2. Step 2: Convert to fraction form
    555,132,022.80/832,100,837.40 = 209,952,272.40/x
  3. Step 3: Cross multiply
    555,132,022.80x = 832,100,837.40 × 209,952,272.40
  4. Step 4: Simplify right side
    555,132,022.80x = 174,701,461,678,072,896
  5. Step 5: Solve for x
    x = 174,701,461,678,072,896/555,132,022.80
  6. Step 6: Final answer
    x = 314,702,547.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.