Home / 540,736,276.40-811,104,414.60-358,983,454.40

Finding the Fourth Proportional to 540,736,276.40, 811,104,414.60 and 358,983,454.40

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Solution

The fourth proportional to 540,736,276.40, 811,104,414.60 and 358,983,454.40 is: 538,475,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,736,276.40 : 811,104,414.60 = 358,983,454.40 : x
  2. Step 2: Convert to fraction form
    540,736,276.40/811,104,414.60 = 358,983,454.40/x
  3. Step 3: Cross multiply
    540,736,276.40x = 811,104,414.60 × 358,983,454.40
  4. Step 4: Simplify right side
    540,736,276.40x = 291,173,064,632,197,760
  5. Step 5: Solve for x
    x = 291,173,064,632,197,760/540,736,276.40
  6. Step 6: Final answer
    x = 538,475,181.60

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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.