Home / 13,301,312,468.98-18,355,859,837.55-7,197,665,060.47

Finding the Fourth Proportional to 13,301,312,468.98, 18,355,859,837.55 and 7,197,665,060.47

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Solution

The fourth proportional to 13,301,312,468.98, 18,355,859,837.55 and 7,197,665,060.47 is: 9,932,804,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,312,468.98 : 18,355,859,837.55 = 7,197,665,060.47 : x
  2. Step 2: Convert to fraction form
    13,301,312,468.98/18,355,859,837.55 = 7,197,665,060.47/x
  3. Step 3: Cross multiply
    13,301,312,468.98x = 18,355,859,837.55 × 7,197,665,060.47
  4. Step 4: Simplify right side
    13,301,312,468.98x = 132,119,331,007,706,267,648
  5. Step 5: Solve for x
    x = 132,119,331,007,706,267,648/13,301,312,468.98
  6. Step 6: Final answer
    x = 9,932,804,098.53

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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.