Home / 581,513,218.71-802,490,736.69-317,200,971.75

Finding the Fourth Proportional to 581,513,218.71, 802,490,736.69 and 317,200,971.75

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Solution

The fourth proportional to 581,513,218.71, 802,490,736.69 and 317,200,971.75 is: 437,738,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,513,218.71 : 802,490,736.69 = 317,200,971.75 : x
  2. Step 2: Convert to fraction form
    581,513,218.71/802,490,736.69 = 317,200,971.75/x
  3. Step 3: Cross multiply
    581,513,218.71x = 802,490,736.69 × 317,200,971.75
  4. Step 4: Simplify right side
    581,513,218.71x = 254,550,841,498,441,408
  5. Step 5: Solve for x
    x = 254,550,841,498,441,408/581,513,218.71
  6. Step 6: Final answer
    x = 437,738,701.90

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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.