Home / 1,388,462,718.74-1,916,133,795.05-761,953,567.05

Finding the Fourth Proportional to 1,388,462,718.74, 1,916,133,795.05 and 761,953,567.05

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Solution

The fourth proportional to 1,388,462,718.74, 1,916,133,795.05 and 761,953,567.05 is: 1,051,526,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,462,718.74 : 1,916,133,795.05 = 761,953,567.05 : x
  2. Step 2: Convert to fraction form
    1,388,462,718.74/1,916,133,795.05 = 761,953,567.05/x
  3. Step 3: Cross multiply
    1,388,462,718.74x = 1,916,133,795.05 × 761,953,567.05
  4. Step 4: Simplify right side
    1,388,462,718.74x = 1,460,004,980,079,591,424
  5. Step 5: Solve for x
    x = 1,460,004,980,079,591,424/1,388,462,718.74
  6. Step 6: Final answer
    x = 1,051,526,238.61

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Double scale
Find fourth proportional to 1,388,462,719.74, 1,916,133,796.43 and 761,953,568.05
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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.