Home / 253,387,918.80-380,837,705.40-248,852,955.60

Finding the Fourth Proportional to 253,387,918.80, 380,837,705.40 and 248,852,955.60

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Solution

The fourth proportional to 253,387,918.80, 380,837,705.40 and 248,852,955.60 is: 374,021,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,387,918.80 : 380,837,705.40 = 248,852,955.60 : x
  2. Step 2: Convert to fraction form
    253,387,918.80/380,837,705.40 = 248,852,955.60/x
  3. Step 3: Cross multiply
    253,387,918.80x = 380,837,705.40 × 248,852,955.60
  4. Step 4: Simplify right side
    253,387,918.80x = 94,772,588,592,712,080
  5. Step 5: Solve for x
    x = 94,772,588,592,712,080/253,387,918.80
  6. Step 6: Final answer
    x = 374,021,733.32

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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.