Home / 936,713,645.73-1,292,666,350.37-513,260,017.43

Finding the Fourth Proportional to 936,713,645.73, 1,292,666,350.37 and 513,260,017.43

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Solution

The fourth proportional to 936,713,645.73, 1,292,666,350.37 and 513,260,017.43 is: 708,299,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,713,645.73 : 1,292,666,350.37 = 513,260,017.43 : x
  2. Step 2: Convert to fraction form
    936,713,645.73/1,292,666,350.37 = 513,260,017.43/x
  3. Step 3: Cross multiply
    936,713,645.73x = 1,292,666,350.37 × 513,260,017.43
  4. Step 4: Simplify right side
    936,713,645.73x = 663,473,953,513,051,136
  5. Step 5: Solve for x
    x = 663,473,953,513,051,136/936,713,645.73
  6. Step 6: Final answer
    x = 708,299,656.50

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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.