Home / 1,121,077,378.26-1,547,056,796.63-619,275,362.24

Finding the Fourth Proportional to 1,121,077,378.26, 1,547,056,796.63 and 619,275,362.24

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Solution

The fourth proportional to 1,121,077,378.26, 1,547,056,796.63 and 619,275,362.24 is: 854,583,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,077,378.26 : 1,547,056,796.63 = 619,275,362.24 : x
  2. Step 2: Convert to fraction form
    1,121,077,378.26/1,547,056,796.63 = 619,275,362.24/x
  3. Step 3: Cross multiply
    1,121,077,378.26x = 1,547,056,796.63 × 619,275,362.24
  4. Step 4: Simplify right side
    1,121,077,378.26x = 958,054,158,139,699,456
  5. Step 5: Solve for x
    x = 958,054,158,139,699,456/1,121,077,378.26
  6. Step 6: Final answer
    x = 854,583,436.18

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Double scale
Find fourth proportional to 1,121,077,379.26, 1,547,056,798 and 619,275,363.24
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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.