Home / 788,866,801.92-1,088,984,880.18-471,439,060.92

Finding the Fourth Proportional to 788,866,801.92, 1,088,984,880.18 and 471,439,060.92

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Solution

The fourth proportional to 788,866,801.92, 1,088,984,880.18 and 471,439,060.92 is: 650,794,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,866,801.92 : 1,088,984,880.18 = 471,439,060.92 : x
  2. Step 2: Convert to fraction form
    788,866,801.92/1,088,984,880.18 = 471,439,060.92/x
  3. Step 3: Cross multiply
    788,866,801.92x = 1,088,984,880.18 × 471,439,060.92
  4. Step 4: Simplify right side
    788,866,801.92x = 513,390,009,268,137,984
  5. Step 5: Solve for x
    x = 513,390,009,268,137,984/788,866,801.92
  6. Step 6: Final answer
    x = 650,794,288.74

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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.