Home / 1,229,003,290.34-1,696,155,975.86-753,009,548.59

Finding the Fourth Proportional to 1,229,003,290.34, 1,696,155,975.86 and 753,009,548.59

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Solution

The fourth proportional to 1,229,003,290.34, 1,696,155,975.86 and 753,009,548.59 is: 1,039,233,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,003,290.34 : 1,696,155,975.86 = 753,009,548.59 : x
  2. Step 2: Convert to fraction form
    1,229,003,290.34/1,696,155,975.86 = 753,009,548.59/x
  3. Step 3: Cross multiply
    1,229,003,290.34x = 1,696,155,975.86 × 753,009,548.59
  4. Step 4: Simplify right side
    1,229,003,290.34x = 1,277,221,645,712,563,968
  5. Step 5: Solve for x
    x = 1,277,221,645,712,563,968/1,229,003,290.34
  6. Step 6: Final answer
    x = 1,039,233,707.31

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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.