Home / 28,139,855,066.64-42,211,140,036.84-9,252,724,558.32

Finding the Fourth Proportional to 28,139,855,066.64, 42,211,140,036.84 and 9,252,724,558.32

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Solution

The fourth proportional to 28,139,855,066.64, 42,211,140,036.84 and 9,252,724,558.32 is: 13,879,533,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,855,066.64 : 42,211,140,036.84 = 9,252,724,558.32 : x
  2. Step 2: Convert to fraction form
    28,139,855,066.64/42,211,140,036.84 = 9,252,724,558.32/x
  3. Step 3: Cross multiply
    28,139,855,066.64x = 42,211,140,036.84 × 9,252,724,558.32
  4. Step 4: Simplify right side
    28,139,855,066.64x = 390,568,052,053,554,036,736
  5. Step 5: Solve for x
    x = 390,568,052,053,554,036,736/28,139,855,066.64
  6. Step 6: Final answer
    x = 13,879,533,179.14

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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.