Home / 462,984,898.10-638,920,066.59-274,850,922.23

Finding the Fourth Proportional to 462,984,898.10, 638,920,066.59 and 274,850,922.23

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Solution

The fourth proportional to 462,984,898.10, 638,920,066.59 and 274,850,922.23 is: 379,294,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,984,898.10 : 638,920,066.59 = 274,850,922.23 : x
  2. Step 2: Convert to fraction form
    462,984,898.10/638,920,066.59 = 274,850,922.23/x
  3. Step 3: Cross multiply
    462,984,898.10x = 638,920,066.59 × 274,850,922.23
  4. Step 4: Simplify right side
    462,984,898.10x = 175,607,769,528,945,696
  5. Step 5: Solve for x
    x = 175,607,769,528,945,696/462,984,898.10
  6. Step 6: Final answer
    x = 379,294,811.23

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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.