Home / 632,168,409.48-872,415,762.68-346,079,990.24

Finding the Fourth Proportional to 632,168,409.48, 872,415,762.68 and 346,079,990.24

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Solution

The fourth proportional to 632,168,409.48, 872,415,762.68 and 346,079,990.24 is: 477,603,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,168,409.48 : 872,415,762.68 = 346,079,990.24 : x
  2. Step 2: Convert to fraction form
    632,168,409.48/872,415,762.68 = 346,079,990.24/x
  3. Step 3: Cross multiply
    632,168,409.48x = 872,415,762.68 × 346,079,990.24
  4. Step 4: Simplify right side
    632,168,409.48x = 301,925,638,633,516,544
  5. Step 5: Solve for x
    x = 301,925,638,633,516,544/632,168,409.48
  6. Step 6: Final answer
    x = 477,603,173.63

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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.