Home / 505,548,007.80-758,322,011.70-310,828,025.40

Finding the Fourth Proportional to 505,548,007.80, 758,322,011.70 and 310,828,025.40

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Solution

The fourth proportional to 505,548,007.80, 758,322,011.70 and 310,828,025.40 is: 466,242,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,548,007.80 : 758,322,011.70 = 310,828,025.40 : x
  2. Step 2: Convert to fraction form
    505,548,007.80/758,322,011.70 = 310,828,025.40/x
  3. Step 3: Cross multiply
    505,548,007.80x = 758,322,011.70 × 310,828,025.40
  4. Step 4: Simplify right side
    505,548,007.80x = 235,707,733,514,066,688
  5. Step 5: Solve for x
    x = 235,707,733,514,066,688/505,548,007.80
  6. Step 6: Final answer
    x = 466,242,038.10

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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.