Home / 869,556,308.02-1,199,997,220.18-473,081,551.54

Finding the Fourth Proportional to 869,556,308.02, 1,199,997,220.18 and 473,081,551.54

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Solution

The fourth proportional to 869,556,308.02, 1,199,997,220.18 and 473,081,551.54 is: 652,857,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,556,308.02 : 1,199,997,220.18 = 473,081,551.54 : x
  2. Step 2: Convert to fraction form
    869,556,308.02/1,199,997,220.18 = 473,081,551.54/x
  3. Step 3: Cross multiply
    869,556,308.02x = 1,199,997,220.18 × 473,081,551.54
  4. Step 4: Simplify right side
    869,556,308.02x = 567,696,546,766,441,472
  5. Step 5: Solve for x
    x = 567,696,546,766,441,472/869,556,308.02
  6. Step 6: Final answer
    x = 652,857,717.82

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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.