Home / 1,726,427,888.72-2,382,372,666.34-973,696,074.20

Finding the Fourth Proportional to 1,726,427,888.72, 2,382,372,666.34 and 973,696,074.20

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Solution

The fourth proportional to 1,726,427,888.72, 2,382,372,666.34 and 973,696,074.20 is: 1,343,645,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,427,888.72 : 2,382,372,666.34 = 973,696,074.20 : x
  2. Step 2: Convert to fraction form
    1,726,427,888.72/2,382,372,666.34 = 973,696,074.20/x
  3. Step 3: Cross multiply
    1,726,427,888.72x = 2,382,372,666.34 × 973,696,074.20
  4. Step 4: Simplify right side
    1,726,427,888.72x = 2,319,706,912,491,232,256
  5. Step 5: Solve for x
    x = 2,319,706,912,491,232,256/1,726,427,888.72
  6. Step 6: Final answer
    x = 1,343,645,412.39

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Double scale
Find fourth proportional to 1,726,427,889.72, 2,382,372,667.72 and 973,696,075.20
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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.