Home / 521,520,768,009.60-782,281,152,014.40-521,520,768,009.60

Finding the Fourth Proportional to 521,520,768,009.60, 782,281,152,014.40 and 521,520,768,009.60

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Solution

The fourth proportional to 521,520,768,009.60, 782,281,152,014.40 and 521,520,768,009.60 is: 782,281,152,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,768,009.60 : 782,281,152,014.40 = 521,520,768,009.60 : x
  2. Step 2: Convert to fraction form
    521,520,768,009.60/782,281,152,014.40 = 521,520,768,009.60/x
  3. Step 3: Cross multiply
    521,520,768,009.60x = 782,281,152,014.40 × 521,520,768,009.60
  4. Step 4: Simplify right side
    521,520,768,009.60x = 407,975,867,197,984,528,662,528
  5. Step 5: Solve for x
    x = 407,975,867,197,984,528,662,528/521,520,768,009.60
  6. Step 6: Final answer
    x = 782,281,152,014.40

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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.