Home / 1,113,995,222.96-1,671,048,338.09-423,955,957.28

Finding the Fourth Proportional to 1,113,995,222.96, 1,671,048,338.09 and 423,955,957.28

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Solution

The fourth proportional to 1,113,995,222.96, 1,671,048,338.09 and 423,955,957.28 is: 635,955,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,995,222.96 : 1,671,048,338.09 = 423,955,957.28 : x
  2. Step 2: Convert to fraction form
    1,113,995,222.96/1,671,048,338.09 = 423,955,957.28/x
  3. Step 3: Cross multiply
    1,113,995,222.96x = 1,671,048,338.09 × 423,955,957.28
  4. Step 4: Simplify right side
    1,113,995,222.96x = 708,450,897,825,623,936
  5. Step 5: Solve for x
    x = 708,450,897,825,623,936/1,113,995,222.96
  6. Step 6: Final answer
    x = 635,955,059.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.