Home / 882,629,424.36-1,218,028,547.88-511,566,689.34

Finding the Fourth Proportional to 882,629,424.36, 1,218,028,547.88 and 511,566,689.34

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Solution

The fourth proportional to 882,629,424.36, 1,218,028,547.88 and 511,566,689.34 is: 705,961,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,629,424.36 : 1,218,028,547.88 = 511,566,689.34 : x
  2. Step 2: Convert to fraction form
    882,629,424.36/1,218,028,547.88 = 511,566,689.34/x
  3. Step 3: Cross multiply
    882,629,424.36x = 1,218,028,547.88 × 511,566,689.34
  4. Step 4: Simplify right side
    882,629,424.36x = 623,102,831,760,579,328
  5. Step 5: Solve for x
    x = 623,102,831,760,579,328/882,629,424.36
  6. Step 6: Final answer
    x = 705,961,997.83

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Double scale
Find fourth proportional to 882,629,425.36, 1,218,028,549.26 and 511,566,690.34
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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.