Home / 12,048,344,047.40-18,072,516,071.10-8,535,731,613.80

Finding the Fourth Proportional to 12,048,344,047.40, 18,072,516,071.10 and 8,535,731,613.80

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Solution

The fourth proportional to 12,048,344,047.40, 18,072,516,071.10 and 8,535,731,613.80 is: 12,803,597,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,344,047.40 : 18,072,516,071.10 = 8,535,731,613.80 : x
  2. Step 2: Convert to fraction form
    12,048,344,047.40/18,072,516,071.10 = 8,535,731,613.80/x
  3. Step 3: Cross multiply
    12,048,344,047.40x = 18,072,516,071.10 × 8,535,731,613.80
  4. Step 4: Simplify right side
    12,048,344,047.40x = 154,262,146,768,996,827,136
  5. Step 5: Solve for x
    x = 154,262,146,768,996,827,136/12,048,344,047.40
  6. Step 6: Final answer
    x = 12,803,597,420.70

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Double scale
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Similar ratio
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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.