Home / 716,430,110,973.92-988,697,950,456.38-423,705,962,729.48

Finding the Fourth Proportional to 716,430,110,973.92, 988,697,950,456.38 and 423,705,962,729.48

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Solution

The fourth proportional to 716,430,110,973.92, 988,697,950,456.38 and 423,705,962,729.48 is: 584,728,657,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,430,110,973.92 : 988,697,950,456.38 = 423,705,962,729.48 : x
  2. Step 2: Convert to fraction form
    716,430,110,973.92/988,697,950,456.38 = 423,705,962,729.48/x
  3. Step 3: Cross multiply
    716,430,110,973.92x = 988,697,950,456.38 × 423,705,962,729.48
  4. Step 4: Simplify right side
    716,430,110,973.92x = 418,917,216,946,784,168,837,120
  5. Step 5: Solve for x
    x = 418,917,216,946,784,168,837,120/716,430,110,973.92
  6. Step 6: Final answer
    x = 584,728,657,450.35

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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.