Home / 1,409,707,111.80-1,945,281,941.54-815,029,926.46

Finding the Fourth Proportional to 1,409,707,111.80, 1,945,281,941.54 and 815,029,926.46

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Solution

The fourth proportional to 1,409,707,111.80, 1,945,281,941.54 and 815,029,926.46 is: 1,124,675,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,707,111.80 : 1,945,281,941.54 = 815,029,926.46 : x
  2. Step 2: Convert to fraction form
    1,409,707,111.80/1,945,281,941.54 = 815,029,926.46/x
  3. Step 3: Cross multiply
    1,409,707,111.80x = 1,945,281,941.54 × 815,029,926.46
  4. Step 4: Simplify right side
    1,409,707,111.80x = 1,585,462,997,751,470,848
  5. Step 5: Solve for x
    x = 1,585,462,997,751,470,848/1,409,707,111.80
  6. Step 6: Final answer
    x = 1,124,675,462.35

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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.