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Finding the Fourth Proportional to 1,062,820,412.72, 1,466,692,794.64 and 592,921,736

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Solution

The fourth proportional to 1,062,820,412.72, 1,466,692,794.64 and 592,921,736 is: 818,232,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,820,412.72 : 1,466,692,794.64 = 592,921,736 : x
  2. Step 2: Convert to fraction form
    1,062,820,412.72/1,466,692,794.64 = 592,921,736/x
  3. Step 3: Cross multiply
    1,062,820,412.72x = 1,466,692,794.64 × 592,921,736
  4. Step 4: Simplify right side
    1,062,820,412.72x = 869,634,037,976,640,384
  5. Step 5: Solve for x
    x = 869,634,037,976,640,384/1,062,820,412.72
  6. Step 6: Final answer
    x = 818,232,344.40

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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.