Home / 10,498,697,021.80-15,748,045,532.70-9,700,543,498.60

Finding the Fourth Proportional to 10,498,697,021.80, 15,748,045,532.70 and 9,700,543,498.60

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Solution

The fourth proportional to 10,498,697,021.80, 15,748,045,532.70 and 9,700,543,498.60 is: 14,550,815,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498,697,021.80 : 15,748,045,532.70 = 9,700,543,498.60 : x
  2. Step 2: Convert to fraction form
    10,498,697,021.80/15,748,045,532.70 = 9,700,543,498.60/x
  3. Step 3: Cross multiply
    10,498,697,021.80x = 15,748,045,532.70 × 9,700,543,498.60
  4. Step 4: Simplify right side
    10,498,697,021.80x = 152,764,600,707,889,758,208
  5. Step 5: Solve for x
    x = 152,764,600,707,889,758,208/10,498,697,021.80
  6. Step 6: Final answer
    x = 14,550,815,247.90

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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.