Home / 14,230,191,883.84-19,637,666,661.12-7,886,969,237.68

Finding the Fourth Proportional to 14,230,191,883.84, 19,637,666,661.12 and 7,886,969,237.68

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Solution

The fourth proportional to 14,230,191,883.84, 19,637,666,661.12 and 7,886,969,237.68 is: 10,884,018,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230,191,883.84 : 19,637,666,661.12 = 7,886,969,237.68 : x
  2. Step 2: Convert to fraction form
    14,230,191,883.84/19,637,666,661.12 = 7,886,969,237.68/x
  3. Step 3: Cross multiply
    14,230,191,883.84x = 19,637,666,661.12 × 7,886,969,237.68
  4. Step 4: Simplify right side
    14,230,191,883.84x = 154,881,672,856,067,538,944
  5. Step 5: Solve for x
    x = 154,881,672,856,067,538,944/14,230,191,883.84
  6. Step 6: Final answer
    x = 10,884,018,579.68

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Double scale
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1.5x scale

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.