Home / 1,622,312,141.32-2,238,791,934.90-879,756,015.88

Finding the Fourth Proportional to 1,622,312,141.32, 2,238,791,934.90 and 879,756,015.88

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Solution

The fourth proportional to 1,622,312,141.32, 2,238,791,934.90 and 879,756,015.88 is: 1,214,063,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,312,141.32 : 2,238,791,934.90 = 879,756,015.88 : x
  2. Step 2: Convert to fraction form
    1,622,312,141.32/2,238,791,934.90 = 879,756,015.88/x
  3. Step 3: Cross multiply
    1,622,312,141.32x = 2,238,791,934.90 × 879,756,015.88
  4. Step 4: Simplify right side
    1,622,312,141.32x = 1,969,590,673,031,900,416
  5. Step 5: Solve for x
    x = 1,969,590,673,031,900,416/1,622,312,141.32
  6. Step 6: Final answer
    x = 1,214,063,941.75

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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.