Home / 946,628,319.90-1,420,095,059.94-291,579,041.46

Finding the Fourth Proportional to 946,628,319.90, 1,420,095,059.94 and 291,579,041.46

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Solution

The fourth proportional to 946,628,319.90, 1,420,095,059.94 and 291,579,041.46 is: 437,415,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,628,319.90 : 1,420,095,059.94 = 291,579,041.46 : x
  2. Step 2: Convert to fraction form
    946,628,319.90/1,420,095,059.94 = 291,579,041.46/x
  3. Step 3: Cross multiply
    946,628,319.90x = 1,420,095,059.94 × 291,579,041.46
  4. Step 4: Simplify right side
    946,628,319.90x = 414,069,956,359,386,432
  5. Step 5: Solve for x
    x = 414,069,956,359,386,432/946,628,319.90
  6. Step 6: Final answer
    x = 437,415,559.68

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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.