Home / 543,798,131.22-815,702,917.26-435,312,939.46

Finding the Fourth Proportional to 543,798,131.22, 815,702,917.26 and 435,312,939.46

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Solution

The fourth proportional to 543,798,131.22, 815,702,917.26 and 435,312,939.46 is: 652,973,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,798,131.22 : 815,702,917.26 = 435,312,939.46 : x
  2. Step 2: Convert to fraction form
    543,798,131.22/815,702,917.26 = 435,312,939.46/x
  3. Step 3: Cross multiply
    543,798,131.22x = 815,702,917.26 × 435,312,939.46
  4. Step 4: Simplify right side
    543,798,131.22x = 355,086,034,638,547,776
  5. Step 5: Solve for x
    x = 355,086,034,638,547,776/543,798,131.22
  6. Step 6: Final answer
    x = 652,973,988.42

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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.