Home / 13,810,478,507.38-19,058,424,493.68-7,706,767,068.98

Finding the Fourth Proportional to 13,810,478,507.38, 19,058,424,493.68 and 7,706,767,068.98

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Solution

The fourth proportional to 13,810,478,507.38, 19,058,424,493.68 and 7,706,767,068.98 is: 10,635,318,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810,478,507.38 : 19,058,424,493.68 = 7,706,767,068.98 : x
  2. Step 2: Convert to fraction form
    13,810,478,507.38/19,058,424,493.68 = 7,706,767,068.98/x
  3. Step 3: Cross multiply
    13,810,478,507.38x = 19,058,424,493.68 × 7,706,767,068.98
  4. Step 4: Simplify right side
    13,810,478,507.38x = 146,878,838,274,534,850,560
  5. Step 5: Solve for x
    x = 146,878,838,274,534,850,560/13,810,478,507.38
  6. Step 6: Final answer
    x = 10,635,318,551.49

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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.