Home / 885,882,023.60-1,328,823,035.40-679,257,762.80

Finding the Fourth Proportional to 885,882,023.60, 1,328,823,035.40 and 679,257,762.80

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Solution

The fourth proportional to 885,882,023.60, 1,328,823,035.40 and 679,257,762.80 is: 1,018,886,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,882,023.60 : 1,328,823,035.40 = 679,257,762.80 : x
  2. Step 2: Convert to fraction form
    885,882,023.60/1,328,823,035.40 = 679,257,762.80/x
  3. Step 3: Cross multiply
    885,882,023.60x = 1,328,823,035.40 × 679,257,762.80
  4. Step 4: Simplify right side
    885,882,023.60x = 902,613,362,182,909,184
  5. Step 5: Solve for x
    x = 902,613,362,182,909,184/885,882,023.60
  6. Step 6: Final answer
    x = 1,018,886,644.20

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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.