Home / 662,478,417.09-914,256,167.99-380,218,601.32

Finding the Fourth Proportional to 662,478,417.09, 914,256,167.99 and 380,218,601.32

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Solution

The fourth proportional to 662,478,417.09, 914,256,167.99 and 380,218,601.32 is: 524,722,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,478,417.09 : 914,256,167.99 = 380,218,601.32 : x
  2. Step 2: Convert to fraction form
    662,478,417.09/914,256,167.99 = 380,218,601.32/x
  3. Step 3: Cross multiply
    662,478,417.09x = 914,256,167.99 × 380,218,601.32
  4. Step 4: Simplify right side
    662,478,417.09x = 347,617,201,437,154,048
  5. Step 5: Solve for x
    x = 347,617,201,437,154,048/662,478,417.09
  6. Step 6: Final answer
    x = 524,722,304.11

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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.