Home / 783,046,961.46-1,080,632,558.97-430,650,206.64

Finding the Fourth Proportional to 783,046,961.46, 1,080,632,558.97 and 430,650,206.64

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Solution

The fourth proportional to 783,046,961.46, 1,080,632,558.97 and 430,650,206.64 is: 594,312,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,046,961.46 : 1,080,632,558.97 = 430,650,206.64 : x
  2. Step 2: Convert to fraction form
    783,046,961.46/1,080,632,558.97 = 430,650,206.64/x
  3. Step 3: Cross multiply
    783,046,961.46x = 1,080,632,558.97 × 430,650,206.64
  4. Step 4: Simplify right side
    783,046,961.46x = 465,374,634,822,342,464
  5. Step 5: Solve for x
    x = 465,374,634,822,342,464/783,046,961.46
  6. Step 6: Final answer
    x = 594,312,547.94

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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.