Home / 581,513,220.21-802,490,738.76-317,200,973.25

Finding the Fourth Proportional to 581,513,220.21, 802,490,738.76 and 317,200,973.25

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Solution

The fourth proportional to 581,513,220.21, 802,490,738.76 and 317,200,973.25 is: 437,738,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,513,220.21 : 802,490,738.76 = 317,200,973.25 : x
  2. Step 2: Convert to fraction form
    581,513,220.21/802,490,738.76 = 317,200,973.25/x
  3. Step 3: Cross multiply
    581,513,220.21x = 802,490,738.76 × 317,200,973.25
  4. Step 4: Simplify right side
    581,513,220.21x = 254,550,843,358,783,488
  5. Step 5: Solve for x
    x = 254,550,843,358,783,488/581,513,220.21
  6. Step 6: Final answer
    x = 437,738,703.97

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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.