Home / 754,216,946.04-1,040,229,747.84-489,984,074.40

Finding the Fourth Proportional to 754,216,946.04, 1,040,229,747.84 and 489,984,074.40

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Solution

The fourth proportional to 754,216,946.04, 1,040,229,747.84 and 489,984,074.40 is: 675,794,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,216,946.04 : 1,040,229,747.84 = 489,984,074.40 : x
  2. Step 2: Convert to fraction form
    754,216,946.04/1,040,229,747.84 = 489,984,074.40/x
  3. Step 3: Cross multiply
    754,216,946.04x = 1,040,229,747.84 × 489,984,074.40
  4. Step 4: Simplify right side
    754,216,946.04x = 509,696,010,158,727,808
  5. Step 5: Solve for x
    x = 509,696,010,158,727,808/754,216,946.04
  6. Step 6: Final answer
    x = 675,794,959.04

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Double scale
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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.