Home / 1,207,462,616.55-1,666,288,394.46-678,828,959.10

Finding the Fourth Proportional to 1,207,462,616.55, 1,666,288,394.46 and 678,828,959.10

Calculator

Solution

The fourth proportional to 1,207,462,616.55, 1,666,288,394.46 and 678,828,959.10 is: 936,778,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,462,616.55 : 1,666,288,394.46 = 678,828,959.10 : x
  2. Step 2: Convert to fraction form
    1,207,462,616.55/1,666,288,394.46 = 678,828,959.10/x
  3. Step 3: Cross multiply
    1,207,462,616.55x = 1,666,288,394.46 × 678,828,959.10
  4. Step 4: Simplify right side
    1,207,462,616.55x = 1,131,124,816,371,692,032
  5. Step 5: Solve for x
    x = 1,131,124,816,371,692,032/1,207,462,616.55
  6. Step 6: Final answer
    x = 936,778,332.40

Related Problems

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.