Home / 1,345,346,921.66-1,857,496,751.26-870,189,066.50

Finding the Fourth Proportional to 1,345,346,921.66, 1,857,496,751.26 and 870,189,066.50

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Solution

The fourth proportional to 1,345,346,921.66, 1,857,496,751.26 and 870,189,066.50 is: 1,201,454,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,346,921.66 : 1,857,496,751.26 = 870,189,066.50 : x
  2. Step 2: Convert to fraction form
    1,345,346,921.66/1,857,496,751.26 = 870,189,066.50/x
  3. Step 3: Cross multiply
    1,345,346,921.66x = 1,857,496,751.26 × 870,189,066.50
  4. Step 4: Simplify right side
    1,345,346,921.66x = 1,616,373,363,994,172,160
  5. Step 5: Solve for x
    x = 1,616,373,363,994,172,160/1,345,346,921.66
  6. Step 6: Final answer
    x = 1,201,454,686.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.