Home / 936,713,659.98-1,292,666,370.03-513,260,031.81

Finding the Fourth Proportional to 936,713,659.98, 1,292,666,370.03 and 513,260,031.81

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Solution

The fourth proportional to 936,713,659.98, 1,292,666,370.03 and 513,260,031.81 is: 708,299,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,713,659.98 : 1,292,666,370.03 = 513,260,031.81 : x
  2. Step 2: Convert to fraction form
    936,713,659.98/1,292,666,370.03 = 513,260,031.81/x
  3. Step 3: Cross multiply
    936,713,659.98x = 1,292,666,370.03 × 513,260,031.81
  4. Step 4: Simplify right side
    936,713,659.98x = 663,473,982,201,315,072
  5. Step 5: Solve for x
    x = 663,473,982,201,315,072/936,713,659.98
  6. Step 6: Final answer
    x = 708,299,676.36

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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.