Home / 774,297,389.70-1,161,445,029.26-359,547,416.06

Finding the Fourth Proportional to 774,297,389.70, 1,161,445,029.26 and 359,547,416.06

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Solution

The fourth proportional to 774,297,389.70, 1,161,445,029.26 and 359,547,416.06 is: 539,320,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,297,389.70 : 1,161,445,029.26 = 359,547,416.06 : x
  2. Step 2: Convert to fraction form
    774,297,389.70/1,161,445,029.26 = 359,547,416.06/x
  3. Step 3: Cross multiply
    774,297,389.70x = 1,161,445,029.26 × 359,547,416.06
  4. Step 4: Simplify right side
    774,297,389.70x = 417,594,559,158,559,168
  5. Step 5: Solve for x
    x = 417,594,559,158,559,168/774,297,389.70
  6. Step 6: Final answer
    x = 539,320,634.05

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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.