Home / 345,303,611.70-517,955,417.55-248,935,643.70

Finding the Fourth Proportional to 345,303,611.70, 517,955,417.55 and 248,935,643.70

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Solution

The fourth proportional to 345,303,611.70, 517,955,417.55 and 248,935,643.70 is: 373,403,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,303,611.70 : 517,955,417.55 = 248,935,643.70 : x
  2. Step 2: Convert to fraction form
    345,303,611.70/517,955,417.55 = 248,935,643.70/x
  3. Step 3: Cross multiply
    345,303,611.70x = 517,955,417.55 × 248,935,643.70
  4. Step 4: Simplify right side
    345,303,611.70x = 128,937,565,275,711,520
  5. Step 5: Solve for x
    x = 128,937,565,275,711,520/345,303,611.70
  6. Step 6: Final answer
    x = 373,403,465.55

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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.