Home / 450,482,526.77-621,881,455.80-300,025,566.57

Finding the Fourth Proportional to 450,482,526.77, 621,881,455.80 and 300,025,566.57

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Solution

The fourth proportional to 450,482,526.77, 621,881,455.80 and 300,025,566.57 is: 414,178,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,482,526.77 : 621,881,455.80 = 300,025,566.57 : x
  2. Step 2: Convert to fraction form
    450,482,526.77/621,881,455.80 = 300,025,566.57/x
  3. Step 3: Cross multiply
    450,482,526.77x = 621,881,455.80 × 300,025,566.57
  4. Step 4: Simplify right side
    450,482,526.77x = 186,580,336,115,771,392
  5. Step 5: Solve for x
    x = 186,580,336,115,771,392/450,482,526.77
  6. Step 6: Final answer
    x = 414,178,852.74

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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.