Home / 457,039,751.59-630,907,949.63-308,562,000.63

Finding the Fourth Proportional to 457,039,751.59, 630,907,949.63 and 308,562,000.63

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Solution

The fourth proportional to 457,039,751.59, 630,907,949.63 and 308,562,000.63 is: 425,945,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,039,751.59 : 630,907,949.63 = 308,562,000.63 : x
  2. Step 2: Convert to fraction form
    457,039,751.59/630,907,949.63 = 308,562,000.63/x
  3. Step 3: Cross multiply
    457,039,751.59x = 630,907,949.63 × 308,562,000.63
  4. Step 4: Simplify right side
    457,039,751.59x = 194,674,219,153,155,264
  5. Step 5: Solve for x
    x = 194,674,219,153,155,264/457,039,751.59
  6. Step 6: Final answer
    x = 425,945,923.69

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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.