Home / 487,603,048,437.09-731,498,763,080.88-185,392,153,569.24

Finding the Fourth Proportional to 487,603,048,437.09, 731,498,763,080.88 and 185,392,153,569.24

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Solution

The fourth proportional to 487,603,048,437.09, 731,498,763,080.88 and 185,392,153,569.24 is: 278,124,042,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,603,048,437.09 : 731,498,763,080.88 = 185,392,153,569.24 : x
  2. Step 2: Convert to fraction form
    487,603,048,437.09/731,498,763,080.88 = 185,392,153,569.24/x
  3. Step 3: Cross multiply
    487,603,048,437.09x = 731,498,763,080.88 × 185,392,153,569.24
  4. Step 4: Simplify right side
    487,603,048,437.09x = 135,614,131,020,799,607,308,288
  5. Step 5: Solve for x
    x = 135,614,131,020,799,607,308,288/487,603,048,437.09
  6. Step 6: Final answer
    x = 278,124,042,611.06

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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.