Home / 885,188,159.66-1,221,666,777.46-503,802,922.94

Finding the Fourth Proportional to 885,188,159.66, 1,221,666,777.46 and 503,802,922.94

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Solution

The fourth proportional to 885,188,159.66, 1,221,666,777.46 and 503,802,922.94 is: 695,308,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,188,159.66 : 1,221,666,777.46 = 503,802,922.94 : x
  2. Step 2: Convert to fraction form
    885,188,159.66/1,221,666,777.46 = 503,802,922.94/x
  3. Step 3: Cross multiply
    885,188,159.66x = 1,221,666,777.46 × 503,802,922.94
  4. Step 4: Simplify right side
    885,188,159.66x = 615,479,293,343,038,464
  5. Step 5: Solve for x
    x = 615,479,293,343,038,464/885,188,159.66
  6. Step 6: Final answer
    x = 695,308,999.14

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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.