Home / 457,039,756.08-630,907,955.85-308,562,005.13

Finding the Fourth Proportional to 457,039,756.08, 630,907,955.85 and 308,562,005.13

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Solution

The fourth proportional to 457,039,756.08, 630,907,955.85 and 308,562,005.13 is: 425,945,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,039,756.08 : 630,907,955.85 = 308,562,005.13 : x
  2. Step 2: Convert to fraction form
    457,039,756.08/630,907,955.85 = 308,562,005.13/x
  3. Step 3: Cross multiply
    457,039,756.08x = 630,907,955.85 × 308,562,005.13
  4. Step 4: Simplify right side
    457,039,756.08x = 194,674,223,909,545,504
  5. Step 5: Solve for x
    x = 194,674,223,909,545,504/457,039,756.08
  6. Step 6: Final answer
    x = 425,945,929.91

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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.