Home / 805,658,888,350.43-1,112,311,118,242.90-512,849,085,742.56

Finding the Fourth Proportional to 805,658,888,350.43, 1,112,311,118,242.90 and 512,849,085,742.56

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Solution

The fourth proportional to 805,658,888,350.43, 1,112,311,118,242.90 and 512,849,085,742.56 is: 708,051,196,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,658,888,350.43 : 1,112,311,118,242.90 = 512,849,085,742.56 : x
  2. Step 2: Convert to fraction form
    805,658,888,350.43/1,112,311,118,242.90 = 512,849,085,742.56/x
  3. Step 3: Cross multiply
    805,658,888,350.43x = 1,112,311,118,242.90 × 512,849,085,742.56
  4. Step 4: Simplify right side
    805,658,888,350.43x = 570,447,740,052,155,773,485,056
  5. Step 5: Solve for x
    x = 570,447,740,052,155,773,485,056/805,658,888,350.43
  6. Step 6: Final answer
    x = 708,051,196,729.35

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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.