Home / 539,156,056.80-808,734,085.20-528,406,514.40

Finding the Fourth Proportional to 539,156,056.80, 808,734,085.20 and 528,406,514.40

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Solution

The fourth proportional to 539,156,056.80, 808,734,085.20 and 528,406,514.40 is: 792,609,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,156,056.80 : 808,734,085.20 = 528,406,514.40 : x
  2. Step 2: Convert to fraction form
    539,156,056.80/808,734,085.20 = 528,406,514.40/x
  3. Step 3: Cross multiply
    539,156,056.80x = 808,734,085.20 × 528,406,514.40
  4. Step 4: Simplify right side
    539,156,056.80x = 427,340,359,037,004,608
  5. Step 5: Solve for x
    x = 427,340,359,037,004,608/539,156,056.80
  6. Step 6: Final answer
    x = 792,609,771.60

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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.