Home / 1,210,767,326.61-1,670,858,900.89-653,850,324.47

Finding the Fourth Proportional to 1,210,767,326.61, 1,670,858,900.89 and 653,850,324.47

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Solution

The fourth proportional to 1,210,767,326.61, 1,670,858,900.89 and 653,850,324.47 is: 902,313,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,767,326.61 : 1,670,858,900.89 = 653,850,324.47 : x
  2. Step 2: Convert to fraction form
    1,210,767,326.61/1,670,858,900.89 = 653,850,324.47/x
  3. Step 3: Cross multiply
    1,210,767,326.61x = 1,670,858,900.89 × 653,850,324.47
  4. Step 4: Simplify right side
    1,210,767,326.61x = 1,092,491,634,490,514,176
  5. Step 5: Solve for x
    x = 1,092,491,634,490,514,176/1,210,767,326.61
  6. Step 6: Final answer
    x = 902,313,442.46

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Double scale
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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.