Home / 528,817,216.80-793,225,825.20-321,888,525.60

Finding the Fourth Proportional to 528,817,216.80, 793,225,825.20 and 321,888,525.60

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Solution

The fourth proportional to 528,817,216.80, 793,225,825.20 and 321,888,525.60 is: 482,832,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,817,216.80 : 793,225,825.20 = 321,888,525.60 : x
  2. Step 2: Convert to fraction form
    528,817,216.80/793,225,825.20 = 321,888,525.60/x
  3. Step 3: Cross multiply
    528,817,216.80x = 793,225,825.20 × 321,888,525.60
  4. Step 4: Simplify right side
    528,817,216.80x = 255,330,291,341,471,360
  5. Step 5: Solve for x
    x = 255,330,291,341,471,360/528,817,216.80
  6. Step 6: Final answer
    x = 482,832,788.40

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1.5x scale

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.