Home / 71,528,864,129.24-98,711,938,075.77-39,416,294,859.25

Finding the Fourth Proportional to 71,528,864,129.24, 98,711,938,075.77 and 39,416,294,859.25

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Solution

The fourth proportional to 71,528,864,129.24, 98,711,938,075.77 and 39,416,294,859.25 is: 54,395,647,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,528,864,129.24 : 98,711,938,075.77 = 39,416,294,859.25 : x
  2. Step 2: Convert to fraction form
    71,528,864,129.24/98,711,938,075.77 = 39,416,294,859.25/x
  3. Step 3: Cross multiply
    71,528,864,129.24x = 98,711,938,075.77 × 39,416,294,859.25
  4. Step 4: Simplify right side
    71,528,864,129.24x = 3,890,858,857,322,972,184,576
  5. Step 5: Solve for x
    x = 3,890,858,857,322,972,184,576/71,528,864,129.24
  6. Step 6: Final answer
    x = 54,395,647,193.46

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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.