Home / 345,303,611.20-517,955,416.80-248,935,643.20

Finding the Fourth Proportional to 345,303,611.20, 517,955,416.80 and 248,935,643.20

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Solution

The fourth proportional to 345,303,611.20, 517,955,416.80 and 248,935,643.20 is: 373,403,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,303,611.20 : 517,955,416.80 = 248,935,643.20 : x
  2. Step 2: Convert to fraction form
    345,303,611.20/517,955,416.80 = 248,935,643.20/x
  3. Step 3: Cross multiply
    345,303,611.20x = 517,955,416.80 × 248,935,643.20
  4. Step 4: Simplify right side
    345,303,611.20x = 128,937,564,830,032,080
  5. Step 5: Solve for x
    x = 128,937,564,830,032,080/345,303,611.20
  6. Step 6: Final answer
    x = 373,403,464.80

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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.