Home / 12,259,445,852.31-16,918,034,628.65-6,620,661,160.49

Finding the Fourth Proportional to 12,259,445,852.31, 16,918,034,628.65 and 6,620,661,160.49

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Solution

The fourth proportional to 12,259,445,852.31, 16,918,034,628.65 and 6,620,661,160.49 is: 9,136,512,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,445,852.31 : 16,918,034,628.65 = 6,620,661,160.49 : x
  2. Step 2: Convert to fraction form
    12,259,445,852.31/16,918,034,628.65 = 6,620,661,160.49/x
  3. Step 3: Cross multiply
    12,259,445,852.31x = 16,918,034,628.65 × 6,620,661,160.49
  4. Step 4: Simplify right side
    12,259,445,852.31x = 112,008,574,777,642,369,024
  5. Step 5: Solve for x
    x = 112,008,574,777,642,369,024/12,259,445,852.31
  6. Step 6: Final answer
    x = 9,136,512,051.77

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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.