Home / 21,099,953,264.43-31,643,210,267.15-6,931,630,251.57

Finding the Fourth Proportional to 21,099,953,264.43, 31,643,210,267.15 and 6,931,630,251.57

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Solution

The fourth proportional to 21,099,953,264.43, 31,643,210,267.15 and 6,931,630,251.57 is: 10,395,237,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099,953,264.43 : 31,643,210,267.15 = 6,931,630,251.57 : x
  2. Step 2: Convert to fraction form
    21,099,953,264.43/31,643,210,267.15 = 6,931,630,251.57/x
  3. Step 3: Cross multiply
    21,099,953,264.43x = 31,643,210,267.15 × 6,931,630,251.57
  4. Step 4: Simplify right side
    21,099,953,264.43x = 219,339,033,544,544,452,608
  5. Step 5: Solve for x
    x = 219,339,033,544,544,452,608/21,099,953,264.43
  6. Step 6: Final answer
    x = 10,395,237,884.93

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1.5x scale

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.