Home / 949,432,268.32-1,310,199,188.70-526,044,384.88

Finding the Fourth Proportional to 949,432,268.32, 1,310,199,188.70 and 526,044,384.88

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Solution

The fourth proportional to 949,432,268.32, 1,310,199,188.70 and 526,044,384.88 is: 725,931,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,432,268.32 : 1,310,199,188.70 = 526,044,384.88 : x
  2. Step 2: Convert to fraction form
    949,432,268.32/1,310,199,188.70 = 526,044,384.88/x
  3. Step 3: Cross multiply
    949,432,268.32x = 1,310,199,188.70 × 526,044,384.88
  4. Step 4: Simplify right side
    949,432,268.32x = 689,222,926,289,966,592
  5. Step 5: Solve for x
    x = 689,222,926,289,966,592/949,432,268.32
  6. Step 6: Final answer
    x = 725,931,642.82

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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.