Home / 450,482,526.52-621,881,455.45-300,025,566.32

Finding the Fourth Proportional to 450,482,526.52, 621,881,455.45 and 300,025,566.32

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Solution

The fourth proportional to 450,482,526.52, 621,881,455.45 and 300,025,566.32 is: 414,178,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,482,526.52 : 621,881,455.45 = 300,025,566.32 : x
  2. Step 2: Convert to fraction form
    450,482,526.52/621,881,455.45 = 300,025,566.32/x
  3. Step 3: Cross multiply
    450,482,526.52x = 621,881,455.45 × 300,025,566.32
  4. Step 4: Simplify right side
    450,482,526.52x = 186,580,335,855,292,096
  5. Step 5: Solve for x
    x = 186,580,335,855,292,096/450,482,526.52
  6. Step 6: Final answer
    x = 414,178,852.39

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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.