Home / 670,636,189.82-925,319,629.77-563,751,883.25

Finding the Fourth Proportional to 670,636,189.82, 925,319,629.77 and 563,751,883.25

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Solution

The fourth proportional to 670,636,189.82, 925,319,629.77 and 563,751,883.25 is: 777,844,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,636,189.82 : 925,319,629.77 = 563,751,883.25 : x
  2. Step 2: Convert to fraction form
    670,636,189.82/925,319,629.77 = 563,751,883.25/x
  3. Step 3: Cross multiply
    670,636,189.82x = 925,319,629.77 × 563,751,883.25
  4. Step 4: Simplify right side
    670,636,189.82x = 521,650,683,886,403,648
  5. Step 5: Solve for x
    x = 521,650,683,886,403,648/670,636,189.82
  6. Step 6: Final answer
    x = 777,844,518.10

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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.