Home / 885,188,291.56-1,221,666,959.16-503,803,054.74

Finding the Fourth Proportional to 885,188,291.56, 1,221,666,959.16 and 503,803,054.74

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Solution

The fourth proportional to 885,188,291.56, 1,221,666,959.16 and 503,803,054.74 is: 695,309,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,188,291.56 : 1,221,666,959.16 = 503,803,054.74 : x
  2. Step 2: Convert to fraction form
    885,188,291.56/1,221,666,959.16 = 503,803,054.74/x
  3. Step 3: Cross multiply
    885,188,291.56x = 1,221,666,959.16 × 503,803,054.74
  4. Step 4: Simplify right side
    885,188,291.56x = 615,479,545,899,734,912
  5. Step 5: Solve for x
    x = 615,479,545,899,734,912/885,188,291.56
  6. Step 6: Final answer
    x = 695,309,180.85

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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.