Home / 19,971,176,815.81-27,559,883,392.14-10,815,631,455.72

Finding the Fourth Proportional to 19,971,176,815.81, 27,559,883,392.14 and 10,815,631,455.72

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Solution

The fourth proportional to 19,971,176,815.81, 27,559,883,392.14 and 10,815,631,455.72 is: 14,925,386,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971,176,815.81 : 27,559,883,392.14 = 10,815,631,455.72 : x
  2. Step 2: Convert to fraction form
    19,971,176,815.81/27,559,883,392.14 = 10,815,631,455.72/x
  3. Step 3: Cross multiply
    19,971,176,815.81x = 27,559,883,392.14 × 10,815,631,455.72
  4. Step 4: Simplify right side
    19,971,176,815.81x = 298,077,541,732,004,593,664
  5. Step 5: Solve for x
    x = 298,077,541,732,004,593,664/19,971,176,815.81
  6. Step 6: Final answer
    x = 14,925,386,945.45

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Double scale
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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.