Home / 7,759,223,999.80-11,638,835,999.70-5,310,343,871.80

Finding the Fourth Proportional to 7,759,223,999.80, 11,638,835,999.70 and 5,310,343,871.80

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Solution

The fourth proportional to 7,759,223,999.80, 11,638,835,999.70 and 5,310,343,871.80 is: 7,965,515,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759,223,999.80 : 11,638,835,999.70 = 5,310,343,871.80 : x
  2. Step 2: Convert to fraction form
    7,759,223,999.80/11,638,835,999.70 = 5,310,343,871.80/x
  3. Step 3: Cross multiply
    7,759,223,999.80x = 11,638,835,999.70 × 5,310,343,871.80
  4. Step 4: Simplify right side
    7,759,223,999.80x = 61,806,221,425,892,130,816
  5. Step 5: Solve for x
    x = 61,806,221,425,892,130,816/7,759,223,999.80
  6. Step 6: Final answer
    x = 7,965,515,807.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.