Home / 1,001,851,427.61-1,382,399,054.96-572,682,590.10

Finding the Fourth Proportional to 1,001,851,427.61, 1,382,399,054.96 and 572,682,590.10

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Solution

The fourth proportional to 1,001,851,427.61, 1,382,399,054.96 and 572,682,590.10 is: 790,212,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,851,427.61 : 1,382,399,054.96 = 572,682,590.10 : x
  2. Step 2: Convert to fraction form
    1,001,851,427.61/1,382,399,054.96 = 572,682,590.10/x
  3. Step 3: Cross multiply
    1,001,851,427.61x = 1,382,399,054.96 × 572,682,590.10
  4. Step 4: Simplify right side
    1,001,851,427.61x = 791,675,871,343,421,568
  5. Step 5: Solve for x
    x = 791,675,871,343,421,568/1,001,851,427.61
  6. Step 6: Final answer
    x = 790,212,849.46

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Double scale
Find fourth proportional to 1,001,851,428.61, 1,382,399,056.33 and 572,682,591.10
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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.