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Finding the Fourth Proportional to 79,730,201,390.40, 119,595,302,085.60 and 79,730,201,390.40

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Solution

The fourth proportional to 79,730,201,390.40, 119,595,302,085.60 and 79,730,201,390.40 is: 119,595,302,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,730,201,390.40 : 119,595,302,085.60 = 79,730,201,390.40 : x
  2. Step 2: Convert to fraction form
    79,730,201,390.40/119,595,302,085.60 = 79,730,201,390.40/x
  3. Step 3: Cross multiply
    79,730,201,390.40x = 119,595,302,085.60 × 79,730,201,390.40
  4. Step 4: Simplify right side
    79,730,201,390.40x = 9,535,357,520,630,612,230,144
  5. Step 5: Solve for x
    x = 9,535,357,520,630,612,230,144/79,730,201,390.40
  6. Step 6: Final answer
    x = 119,595,302,085.60

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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.