Home / 1,057,575,521.80-1,585,355,513.10-824,276,859.40

Finding the Fourth Proportional to 1,057,575,521.80, 1,585,355,513.10 and 824,276,859.40

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Solution

The fourth proportional to 1,057,575,521.80, 1,585,355,513.10 and 824,276,859.40 is: 1,235,629,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,575,521.80 : 1,585,355,513.10 = 824,276,859.40 : x
  2. Step 2: Convert to fraction form
    1,057,575,521.80/1,585,355,513.10 = 824,276,859.40/x
  3. Step 3: Cross multiply
    1,057,575,521.80x = 1,585,355,513.10 × 824,276,859.40
  4. Step 4: Simplify right side
    1,057,575,521.80x = 1,306,771,863,370,543,360
  5. Step 5: Solve for x
    x = 1,306,771,863,370,543,360/1,057,575,521.80
  6. Step 6: Final answer
    x = 1,235,629,831.09

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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.