Home / 21,220,090,602.84-29,283,816,072.63-11,575,030,761.42

Finding the Fourth Proportional to 21,220,090,602.84, 29,283,816,072.63 and 11,575,030,761.42

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Solution

The fourth proportional to 21,220,090,602.84, 29,283,816,072.63 and 11,575,030,761.42 is: 15,973,592,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,090,602.84 : 29,283,816,072.63 = 11,575,030,761.42 : x
  2. Step 2: Convert to fraction form
    21,220,090,602.84/29,283,816,072.63 = 11,575,030,761.42/x
  3. Step 3: Cross multiply
    21,220,090,602.84x = 29,283,816,072.63 × 11,575,030,761.42
  4. Step 4: Simplify right side
    21,220,090,602.84x = 338,961,071,852,457,689,088
  5. Step 5: Solve for x
    x = 338,961,071,852,457,689,088/21,220,090,602.84
  6. Step 6: Final answer
    x = 15,973,592,111.20

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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.