Home / 79,152,119,231.40-118,728,178,847.10-70,473,900,277.80

Finding the Fourth Proportional to 79,152,119,231.40, 118,728,178,847.10 and 70,473,900,277.80

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Solution

The fourth proportional to 79,152,119,231.40, 118,728,178,847.10 and 70,473,900,277.80 is: 105,710,850,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152,119,231.40 : 118,728,178,847.10 = 70,473,900,277.80 : x
  2. Step 2: Convert to fraction form
    79,152,119,231.40/118,728,178,847.10 = 70,473,900,277.80/x
  3. Step 3: Cross multiply
    79,152,119,231.40x = 118,728,178,847.10 × 70,473,900,277.80
  4. Step 4: Simplify right side
    79,152,119,231.40x = 8,367,237,836,235,329,241,088
  5. Step 5: Solve for x
    x = 8,367,237,836,235,329,241,088/79,152,119,231.40
  6. Step 6: Final answer
    x = 105,710,850,416.70

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Double scale
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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.