Home / 957,418,462.91-1,321,180,538.19-555,501,075.66

Finding the Fourth Proportional to 957,418,462.91, 1,321,180,538.19 and 555,501,075.66

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Solution

The fourth proportional to 957,418,462.91, 1,321,180,538.19 and 555,501,075.66 is: 766,558,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,418,462.91 : 1,321,180,538.19 = 555,501,075.66 : x
  2. Step 2: Convert to fraction form
    957,418,462.91/1,321,180,538.19 = 555,501,075.66/x
  3. Step 3: Cross multiply
    957,418,462.91x = 1,321,180,538.19 × 555,501,075.66
  4. Step 4: Simplify right side
    957,418,462.91x = 733,917,210,105,602,688
  5. Step 5: Solve for x
    x = 733,917,210,105,602,688/957,418,462.91
  6. Step 6: Final answer
    x = 766,558,447.05

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Double scale
Find fourth proportional to 957,418,463.91, 1,321,180,539.57 and 555,501,076.66
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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.