Home / 702,090,904.20-1,053,136,356.30-357,717,136.20

Finding the Fourth Proportional to 702,090,904.20, 1,053,136,356.30 and 357,717,136.20

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Solution

The fourth proportional to 702,090,904.20, 1,053,136,356.30 and 357,717,136.20 is: 536,575,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,090,904.20 : 1,053,136,356.30 = 357,717,136.20 : x
  2. Step 2: Convert to fraction form
    702,090,904.20/1,053,136,356.30 = 357,717,136.20/x
  3. Step 3: Cross multiply
    702,090,904.20x = 1,053,136,356.30 × 357,717,136.20
  4. Step 4: Simplify right side
    702,090,904.20x = 376,724,921,403,738,816
  5. Step 5: Solve for x
    x = 376,724,921,403,738,816/702,090,904.20
  6. Step 6: Final answer
    x = 536,575,704.30

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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.