Home / 2,981,139,612.47-4,113,919,292.28-1,624,785,730.91

Finding the Fourth Proportional to 2,981,139,612.47, 4,113,919,292.28 and 1,624,785,730.91

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Solution

The fourth proportional to 2,981,139,612.47, 4,113,919,292.28 and 1,624,785,730.91 is: 2,242,175,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,139,612.47 : 4,113,919,292.28 = 1,624,785,730.91 : x
  2. Step 2: Convert to fraction form
    2,981,139,612.47/4,113,919,292.28 = 1,624,785,730.91/x
  3. Step 3: Cross multiply
    2,981,139,612.47x = 4,113,919,292.28 × 1,624,785,730.91
  4. Step 4: Simplify right side
    2,981,139,612.47x = 6,684,237,364,191,340,544
  5. Step 5: Solve for x
    x = 6,684,237,364,191,340,544/2,981,139,612.47
  6. Step 6: Final answer
    x = 2,242,175,219.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.