Home / 1,555,895,222.02-2,147,141,875.41-841,430,775.29

Finding the Fourth Proportional to 1,555,895,222.02, 2,147,141,875.41 and 841,430,775.29

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Solution

The fourth proportional to 1,555,895,222.02, 2,147,141,875.41 and 841,430,775.29 is: 1,161,177,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,895,222.02 : 2,147,141,875.41 = 841,430,775.29 : x
  2. Step 2: Convert to fraction form
    1,555,895,222.02/2,147,141,875.41 = 841,430,775.29/x
  3. Step 3: Cross multiply
    1,555,895,222.02x = 2,147,141,875.41 × 841,430,775.29
  4. Step 4: Simplify right side
    1,555,895,222.02x = 1,806,671,252,873,125,120
  5. Step 5: Solve for x
    x = 1,806,671,252,873,125,120/1,555,895,222.02
  6. Step 6: Final answer
    x = 1,161,177,968.35

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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.