Home / 1,170,072,345.63-1,614,801,989.09-641,538,483.71

Finding the Fourth Proportional to 1,170,072,345.63, 1,614,801,989.09 and 641,538,483.71

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Solution

The fourth proportional to 1,170,072,345.63, 1,614,801,989.09 and 641,538,483.71 is: 885,379,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072,345.63 : 1,614,801,989.09 = 641,538,483.71 : x
  2. Step 2: Convert to fraction form
    1,170,072,345.63/1,614,801,989.09 = 641,538,483.71/x
  3. Step 3: Cross multiply
    1,170,072,345.63x = 1,614,801,989.09 × 641,538,483.71
  4. Step 4: Simplify right side
    1,170,072,345.63x = 1,035,957,619,578,331,392
  5. Step 5: Solve for x
    x = 1,035,957,619,578,331,392/1,170,072,345.63
  6. Step 6: Final answer
    x = 885,379,116.47

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Find fourth proportional to 1,170,072,346.63, 1,614,801,990.47 and 641,538,484.71
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1.5x scale

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.