Home / 886,468,297.65-1,329,702,446.48-519,136,278.45

Finding the Fourth Proportional to 886,468,297.65, 1,329,702,446.48 and 519,136,278.45

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Solution

The fourth proportional to 886,468,297.65, 1,329,702,446.48 and 519,136,278.45 is: 778,704,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,468,297.65 : 1,329,702,446.48 = 519,136,278.45 : x
  2. Step 2: Convert to fraction form
    886,468,297.65/1,329,702,446.48 = 519,136,278.45/x
  3. Step 3: Cross multiply
    886,468,297.65x = 1,329,702,446.48 × 519,136,278.45
  4. Step 4: Simplify right side
    886,468,297.65x = 690,296,779,508,891,776
  5. Step 5: Solve for x
    x = 690,296,779,508,891,776/886,468,297.65
  6. Step 6: Final answer
    x = 778,704,417.68

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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.