Home / 7,838,208,002.30-11,757,312,003.45-3,476,140,274.30

Finding the Fourth Proportional to 7,838,208,002.30, 11,757,312,003.45 and 3,476,140,274.30

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Solution

The fourth proportional to 7,838,208,002.30, 11,757,312,003.45 and 3,476,140,274.30 is: 5,214,210,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,208,002.30 : 11,757,312,003.45 = 3,476,140,274.30 : x
  2. Step 2: Convert to fraction form
    7,838,208,002.30/11,757,312,003.45 = 3,476,140,274.30/x
  3. Step 3: Cross multiply
    7,838,208,002.30x = 11,757,312,003.45 × 3,476,140,274.30
  4. Step 4: Simplify right side
    7,838,208,002.30x = 40,870,065,772,703,367,168
  5. Step 5: Solve for x
    x = 40,870,065,772,703,367,168/7,838,208,002.30
  6. Step 6: Final answer
    x = 5,214,210,411.45

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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.