Home / 751,784,036.40-1,127,340,131.40-291,569,252.40

Finding the Fourth Proportional to 751,784,036.40, 1,127,340,131.40 and 291,569,252.40

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Solution

The fourth proportional to 751,784,036.40, 1,127,340,131.40 and 291,569,252.40 is: 437,223,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,784,036.40 : 1,127,340,131.40 = 291,569,252.40 : x
  2. Step 2: Convert to fraction form
    751,784,036.40/1,127,340,131.40 = 291,569,252.40/x
  3. Step 3: Cross multiply
    751,784,036.40x = 1,127,340,131.40 × 291,569,252.40
  4. Step 4: Simplify right side
    751,784,036.40x = 328,697,719,312,815,744
  5. Step 5: Solve for x
    x = 328,697,719,312,815,744/751,784,036.40
  6. Step 6: Final answer
    x = 437,223,595.34

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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.