Home / 1,307,823,571.08-1,805,233,867.20-779,353,275.24

Finding the Fourth Proportional to 1,307,823,571.08, 1,805,233,867.20 and 779,353,275.24

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Solution

The fourth proportional to 1,307,823,571.08, 1,805,233,867.20 and 779,353,275.24 is: 1,075,768,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,823,571.08 : 1,805,233,867.20 = 779,353,275.24 : x
  2. Step 2: Convert to fraction form
    1,307,823,571.08/1,805,233,867.20 = 779,353,275.24/x
  3. Step 3: Cross multiply
    1,307,823,571.08x = 1,805,233,867.20 × 779,353,275.24
  4. Step 4: Simplify right side
    1,307,823,571.08x = 1,406,914,926,976,491,264
  5. Step 5: Solve for x
    x = 1,406,914,926,976,491,264/1,307,823,571.08
  6. Step 6: Final answer
    x = 1,075,768,137.30

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Double scale
Find fourth proportional to 1,307,823,572.08, 1,805,233,868.58 and 779,353,276.24
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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.