Home / 716,430,110,959.92-988,697,950,437.06-423,705,962,715.44

Finding the Fourth Proportional to 716,430,110,959.92, 988,697,950,437.06 and 423,705,962,715.44

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Solution

The fourth proportional to 716,430,110,959.92, 988,697,950,437.06 and 423,705,962,715.44 is: 584,728,657,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,430,110,959.92 : 988,697,950,437.06 = 423,705,962,715.44 : x
  2. Step 2: Convert to fraction form
    716,430,110,959.92/988,697,950,437.06 = 423,705,962,715.44/x
  3. Step 3: Cross multiply
    716,430,110,959.92x = 988,697,950,437.06 × 423,705,962,715.44
  4. Step 4: Simplify right side
    716,430,110,959.92x = 418,917,216,924,716,895,305,728
  5. Step 5: Solve for x
    x = 418,917,216,924,716,895,305,728/716,430,110,959.92
  6. Step 6: Final answer
    x = 584,728,657,430.97

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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.