Home / 35,872,343,422.47-49,505,337,859.73-20,630,447,126.53

Finding the Fourth Proportional to 35,872,343,422.47, 49,505,337,859.73 and 20,630,447,126.53

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Solution

The fourth proportional to 35,872,343,422.47, 49,505,337,859.73 and 20,630,447,126.53 is: 28,470,881,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872,343,422.47 : 49,505,337,859.73 = 20,630,447,126.53 : x
  2. Step 2: Convert to fraction form
    35,872,343,422.47/49,505,337,859.73 = 20,630,447,126.53/x
  3. Step 3: Cross multiply
    35,872,343,422.47x = 49,505,337,859.73 × 20,630,447,126.53
  4. Step 4: Simplify right side
    35,872,343,422.47x = 1,021,317,255,195,961,458,688
  5. Step 5: Solve for x
    x = 1,021,317,255,195,961,458,688/35,872,343,422.47
  6. Step 6: Final answer
    x = 28,470,881,959.62

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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.