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Finding the Fourth Proportional to 670,636,195.07, 925,319,637.02 and 563,751,888.49

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Solution

The fourth proportional to 670,636,195.07, 925,319,637.02 and 563,751,888.49 is: 777,844,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,636,195.07 : 925,319,637.02 = 563,751,888.49 : x
  2. Step 2: Convert to fraction form
    670,636,195.07/925,319,637.02 = 563,751,888.49/x
  3. Step 3: Cross multiply
    670,636,195.07x = 925,319,637.02 × 563,751,888.49
  4. Step 4: Simplify right side
    670,636,195.07x = 521,650,692,829,472,384
  5. Step 5: Solve for x
    x = 521,650,692,829,472,384/670,636,195.07
  6. Step 6: Final answer
    x = 777,844,525.34

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1.5x scale

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.