Home / 3,129,743,409.40-4,319,088,017.77-1,700,842,879.92

Finding the Fourth Proportional to 3,129,743,409.40, 4,319,088,017.77 and 1,700,842,879.92

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Solution

The fourth proportional to 3,129,743,409.40, 4,319,088,017.77 and 1,700,842,879.92 is: 2,347,186,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,743,409.40 : 4,319,088,017.77 = 1,700,842,879.92 : x
  2. Step 2: Convert to fraction form
    3,129,743,409.40/4,319,088,017.77 = 1,700,842,879.92/x
  3. Step 3: Cross multiply
    3,129,743,409.40x = 4,319,088,017.77 × 1,700,842,879.92
  4. Step 4: Simplify right side
    3,129,743,409.40x = 7,346,090,102,771,892,224
  5. Step 5: Solve for x
    x = 7,346,090,102,771,892,224/3,129,743,409.40
  6. Step 6: Final answer
    x = 2,347,186,060.27

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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.