Home / 879,170,570.83-1,213,257,775.07-482,719,239.01

Finding the Fourth Proportional to 879,170,570.83, 1,213,257,775.07 and 482,719,239.01

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Solution

The fourth proportional to 879,170,570.83, 1,213,257,775.07 and 482,719,239.01 is: 666,153,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,170,570.83 : 1,213,257,775.07 = 482,719,239.01 : x
  2. Step 2: Convert to fraction form
    879,170,570.83/1,213,257,775.07 = 482,719,239.01/x
  3. Step 3: Cross multiply
    879,170,570.83x = 1,213,257,775.07 × 482,719,239.01
  4. Step 4: Simplify right side
    879,170,570.83x = 585,662,869,896,276,224
  5. Step 5: Solve for x
    x = 585,662,869,896,276,224/879,170,570.83
  6. Step 6: Final answer
    x = 666,153,860.62

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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.