Home / 380,287,148.49-569,688,026.76-262,090,979.51

Finding the Fourth Proportional to 380,287,148.49, 569,688,026.76 and 262,090,979.51

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Solution

The fourth proportional to 380,287,148.49, 569,688,026.76 and 262,090,979.51 is: 392,624,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,287,148.49 : 569,688,026.76 = 262,090,979.51 : x
  2. Step 2: Convert to fraction form
    380,287,148.49/569,688,026.76 = 262,090,979.51/x
  3. Step 3: Cross multiply
    380,287,148.49x = 569,688,026.76 × 262,090,979.51
  4. Step 4: Simplify right side
    380,287,148.49x = 149,310,092,945,799,040
  5. Step 5: Solve for x
    x = 149,310,092,945,799,040/380,287,148.49
  6. Step 6: Final answer
    x = 392,624,608.90

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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.