Home / 346,322,291.40-519,483,437.10-315,081,433.80

Finding the Fourth Proportional to 346,322,291.40, 519,483,437.10 and 315,081,433.80

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Solution

The fourth proportional to 346,322,291.40, 519,483,437.10 and 315,081,433.80 is: 472,622,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,322,291.40 : 519,483,437.10 = 315,081,433.80 : x
  2. Step 2: Convert to fraction form
    346,322,291.40/519,483,437.10 = 315,081,433.80/x
  3. Step 3: Cross multiply
    346,322,291.40x = 519,483,437.10 × 315,081,433.80
  4. Step 4: Simplify right side
    346,322,291.40x = 163,679,586,196,820,128
  5. Step 5: Solve for x
    x = 163,679,586,196,820,128/346,322,291.40
  6. Step 6: Final answer
    x = 472,622,150.70

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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.