Home / 636,359,714.09-878,075,223.09-357,847,451.09

Finding the Fourth Proportional to 636,359,714.09, 878,075,223.09 and 357,847,451.09

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Solution

The fourth proportional to 636,359,714.09, 878,075,223.09 and 357,847,451.09 is: 493,772,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,359,714.09 : 878,075,223.09 = 357,847,451.09 : x
  2. Step 2: Convert to fraction form
    636,359,714.09/878,075,223.09 = 357,847,451.09/x
  3. Step 3: Cross multiply
    636,359,714.09x = 878,075,223.09 × 357,847,451.09
  4. Step 4: Simplify right side
    636,359,714.09x = 314,216,980,443,649,216
  5. Step 5: Solve for x
    x = 314,216,980,443,649,216/636,359,714.09
  6. Step 6: Final answer
    x = 493,772,584.10

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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.