Home / 1,107,118,777.23-1,527,570,516.56-660,995,487.63

Finding the Fourth Proportional to 1,107,118,777.23, 1,527,570,516.56 and 660,995,487.63

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Solution

The fourth proportional to 1,107,118,777.23, 1,527,570,516.56 and 660,995,487.63 is: 912,022,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,118,777.23 : 1,527,570,516.56 = 660,995,487.63 : x
  2. Step 2: Convert to fraction form
    1,107,118,777.23/1,527,570,516.56 = 660,995,487.63/x
  3. Step 3: Cross multiply
    1,107,118,777.23x = 1,527,570,516.56 × 660,995,487.63
  4. Step 4: Simplify right side
    1,107,118,777.23x = 1,009,717,218,479,483,264
  5. Step 5: Solve for x
    x = 1,009,717,218,479,483,264/1,107,118,777.23
  6. Step 6: Final answer
    x = 912,022,485.07

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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.