Home / 790,432,175.04-1,090,802,900.25-438,014,051.16

Finding the Fourth Proportional to 790,432,175.04, 1,090,802,900.25 and 438,014,051.16

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Solution

The fourth proportional to 790,432,175.04, 1,090,802,900.25 and 438,014,051.16 is: 604,462,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,432,175.04 : 1,090,802,900.25 = 438,014,051.16 : x
  2. Step 2: Convert to fraction form
    790,432,175.04/1,090,802,900.25 = 438,014,051.16/x
  3. Step 3: Cross multiply
    790,432,175.04x = 1,090,802,900.25 × 438,014,051.16
  4. Step 4: Simplify right side
    790,432,175.04x = 477,786,997,355,579,904
  5. Step 5: Solve for x
    x = 477,786,997,355,579,904/790,432,175.04
  6. Step 6: Final answer
    x = 604,462,991.82

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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.