Home / 13,507,564,960.98-18,640,441,413.06-7,486,459,089.86

Finding the Fourth Proportional to 13,507,564,960.98, 18,640,441,413.06 and 7,486,459,089.86

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Solution

The fourth proportional to 13,507,564,960.98, 18,640,441,413.06 and 7,486,459,089.86 is: 10,331,314,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,564,960.98 : 18,640,441,413.06 = 7,486,459,089.86 : x
  2. Step 2: Convert to fraction form
    13,507,564,960.98/18,640,441,413.06 = 7,486,459,089.86/x
  3. Step 3: Cross multiply
    13,507,564,960.98x = 18,640,441,413.06 × 7,486,459,089.86
  4. Step 4: Simplify right side
    13,507,564,960.98x = 139,550,902,055,805,829,120
  5. Step 5: Solve for x
    x = 139,550,902,055,805,829,120/13,507,564,960.98
  6. Step 6: Final answer
    x = 10,331,314,523.30

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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.