Home / 1,259,713,266.30-1,889,569,899.45-570,965,730.30

Finding the Fourth Proportional to 1,259,713,266.30, 1,889,569,899.45 and 570,965,730.30

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Solution

The fourth proportional to 1,259,713,266.30, 1,889,569,899.45 and 570,965,730.30 is: 856,448,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,266.30 : 1,889,569,899.45 = 570,965,730.30 : x
  2. Step 2: Convert to fraction form
    1,259,713,266.30/1,889,569,899.45 = 570,965,730.30/x
  3. Step 3: Cross multiply
    1,259,713,266.30x = 1,889,569,899.45 × 570,965,730.30
  4. Step 4: Simplify right side
    1,259,713,266.30x = 1,078,879,657,592,366,720
  5. Step 5: Solve for x
    x = 1,078,879,657,592,366,720/1,259,713,266.30
  6. Step 6: Final answer
    x = 856,448,595.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.