Home / 716,735,643.20-1,075,302,530.40-307,987,611.20

Finding the Fourth Proportional to 716,735,643.20, 1,075,302,530.40 and 307,987,611.20

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Solution

The fourth proportional to 716,735,643.20, 1,075,302,530.40 and 307,987,611.20 is: 462,066,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,735,643.20 : 1,075,302,530.40 = 307,987,611.20 : x
  2. Step 2: Convert to fraction form
    716,735,643.20/1,075,302,530.40 = 307,987,611.20/x
  3. Step 3: Cross multiply
    716,735,643.20x = 1,075,302,530.40 × 307,987,611.20
  4. Step 4: Simplify right side
    716,735,643.20x = 331,179,857,655,211,392
  5. Step 5: Solve for x
    x = 331,179,857,655,211,392/716,735,643.20
  6. Step 6: Final answer
    x = 462,066,957.04

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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.