Home / 774,144,060.80-1,161,216,091.20-715,021,577.60

Finding the Fourth Proportional to 774,144,060.80, 1,161,216,091.20 and 715,021,577.60

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Solution

The fourth proportional to 774,144,060.80, 1,161,216,091.20 and 715,021,577.60 is: 1,072,532,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,144,060.80 : 1,161,216,091.20 = 715,021,577.60 : x
  2. Step 2: Convert to fraction form
    774,144,060.80/1,161,216,091.20 = 715,021,577.60/x
  3. Step 3: Cross multiply
    774,144,060.80x = 1,161,216,091.20 × 715,021,577.60
  4. Step 4: Simplify right side
    774,144,060.80x = 830,294,561,464,329,600
  5. Step 5: Solve for x
    x = 830,294,561,464,329,600/774,144,060.80
  6. Step 6: Final answer
    x = 1,072,532,366.40

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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.