Home / 369,810,731.22-510,347,070.06-211,037,693.10

Finding the Fourth Proportional to 369,810,731.22, 510,347,070.06 and 211,037,693.10

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Solution

The fourth proportional to 369,810,731.22, 510,347,070.06 and 211,037,693.10 is: 291,236,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,810,731.22 : 510,347,070.06 = 211,037,693.10 : x
  2. Step 2: Convert to fraction form
    369,810,731.22/510,347,070.06 = 211,037,693.10/x
  3. Step 3: Cross multiply
    369,810,731.22x = 510,347,070.06 × 211,037,693.10
  4. Step 4: Simplify right side
    369,810,731.22x = 107,702,468,345,806,480
  5. Step 5: Solve for x
    x = 107,702,468,345,806,480/369,810,731.22
  6. Step 6: Final answer
    x = 291,236,730.72

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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.