Home / 19,011,594,491.12-26,238,728,696.64-11,390,941,345.52

Finding the Fourth Proportional to 19,011,594,491.12, 26,238,728,696.64 and 11,390,941,345.52

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Solution

The fourth proportional to 19,011,594,491.12, 26,238,728,696.64 and 11,390,941,345.52 is: 15,721,133,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,594,491.12 : 26,238,728,696.64 = 11,390,941,345.52 : x
  2. Step 2: Convert to fraction form
    19,011,594,491.12/26,238,728,696.64 = 11,390,941,345.52/x
  3. Step 3: Cross multiply
    19,011,594,491.12x = 26,238,728,696.64 × 11,390,941,345.52
  4. Step 4: Simplify right side
    19,011,594,491.12x = 298,883,819,564,438,650,880
  5. Step 5: Solve for x
    x = 298,883,819,564,438,650,880/19,011,594,491.12
  6. Step 6: Final answer
    x = 15,721,133,737.84

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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.