Home / 28,698,804,954.60-43,048,207,431.90-7,739,356,499.70

Finding the Fourth Proportional to 28,698,804,954.60, 43,048,207,431.90 and 7,739,356,499.70

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Solution

The fourth proportional to 28,698,804,954.60, 43,048,207,431.90 and 7,739,356,499.70 is: 11,609,034,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698,804,954.60 : 43,048,207,431.90 = 7,739,356,499.70 : x
  2. Step 2: Convert to fraction form
    28,698,804,954.60/43,048,207,431.90 = 7,739,356,499.70/x
  3. Step 3: Cross multiply
    28,698,804,954.60x = 43,048,207,431.90 × 7,739,356,499.70
  4. Step 4: Simplify right side
    28,698,804,954.60x = 333,165,423,988,509,114,368
  5. Step 5: Solve for x
    x = 333,165,423,988,509,114,368/28,698,804,954.60
  6. Step 6: Final answer
    x = 11,609,034,749.55

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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.