Home / 1,119,790,509.60-1,679,685,764.40-343,555,975.20

Finding the Fourth Proportional to 1,119,790,509.60, 1,679,685,764.40 and 343,555,975.20

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Solution

The fourth proportional to 1,119,790,509.60, 1,679,685,764.40 and 343,555,975.20 is: 515,333,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,790,509.60 : 1,679,685,764.40 = 343,555,975.20 : x
  2. Step 2: Convert to fraction form
    1,119,790,509.60/1,679,685,764.40 = 343,555,975.20/x
  3. Step 3: Cross multiply
    1,119,790,509.60x = 1,679,685,764.40 × 343,555,975.20
  4. Step 4: Simplify right side
    1,119,790,509.60x = 577,066,080,817,999,488
  5. Step 5: Solve for x
    x = 577,066,080,817,999,488/1,119,790,509.60
  6. Step 6: Final answer
    x = 515,333,962.80

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Double scale
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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.