Home / 734,119,282.22-1,012,966,070.56-420,795,840.38

Finding the Fourth Proportional to 734,119,282.22, 1,012,966,070.56 and 420,795,840.38

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Solution

The fourth proportional to 734,119,282.22, 1,012,966,070.56 and 420,795,840.38 is: 580,630,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,119,282.22 : 1,012,966,070.56 = 420,795,840.38 : x
  2. Step 2: Convert to fraction form
    734,119,282.22/1,012,966,070.56 = 420,795,840.38/x
  3. Step 3: Cross multiply
    734,119,282.22x = 1,012,966,070.56 × 420,795,840.38
  4. Step 4: Simplify right side
    734,119,282.22x = 426,251,908,931,604,736
  5. Step 5: Solve for x
    x = 426,251,908,931,604,736/734,119,282.22
  6. Step 6: Final answer
    x = 580,630,313.44

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1.5x scale

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.