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Finding the Fourth Proportional to 869,556,300.64, 1,199,997,210 and 473,081,544.16

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Solution

The fourth proportional to 869,556,300.64, 1,199,997,210 and 473,081,544.16 is: 652,857,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,556,300.64 : 1,199,997,210 = 473,081,544.16 : x
  2. Step 2: Convert to fraction form
    869,556,300.64/1,199,997,210 = 473,081,544.16/x
  3. Step 3: Cross multiply
    869,556,300.64x = 1,199,997,210 × 473,081,544.16
  4. Step 4: Simplify right side
    869,556,300.64x = 567,696,533,094,491,840
  5. Step 5: Solve for x
    x = 567,696,533,094,491,840/869,556,300.64
  6. Step 6: Final answer
    x = 652,857,707.63

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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.