Home / 1,119,743,999.60-1,679,615,999.40-684,387,532.40

Finding the Fourth Proportional to 1,119,743,999.60, 1,679,615,999.40 and 684,387,532.40

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Solution

The fourth proportional to 1,119,743,999.60, 1,679,615,999.40 and 684,387,532.40 is: 1,026,581,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,743,999.60 : 1,679,615,999.40 = 684,387,532.40 : x
  2. Step 2: Convert to fraction form
    1,119,743,999.60/1,679,615,999.40 = 684,387,532.40/x
  3. Step 3: Cross multiply
    1,119,743,999.60x = 1,679,615,999.40 × 684,387,532.40
  4. Step 4: Simplify right side
    1,119,743,999.60x = 1,149,508,249,208,925,952
  5. Step 5: Solve for x
    x = 1,149,508,249,208,925,952/1,119,743,999.60
  6. Step 6: Final answer
    x = 1,026,581,298.60

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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.