Home / 19,132,536,608.40-28,698,804,912.60-5,159,570,971.80

Finding the Fourth Proportional to 19,132,536,608.40, 28,698,804,912.60 and 5,159,570,971.80

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Solution

The fourth proportional to 19,132,536,608.40, 28,698,804,912.60 and 5,159,570,971.80 is: 7,739,356,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,536,608.40 : 28,698,804,912.60 = 5,159,570,971.80 : x
  2. Step 2: Convert to fraction form
    19,132,536,608.40/28,698,804,912.60 = 5,159,570,971.80/x
  3. Step 3: Cross multiply
    19,132,536,608.40x = 28,698,804,912.60 × 5,159,570,971.80
  4. Step 4: Simplify right side
    19,132,536,608.40x = 148,073,520,752,402,202,624
  5. Step 5: Solve for x
    x = 148,073,520,752,402,202,624/19,132,536,608.40
  6. Step 6: Final answer
    x = 7,739,356,457.70

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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.