Home / 994,663,855.40-1,490,403,258.30-630,506,517.80

Finding the Fourth Proportional to 994,663,855.40, 1,490,403,258.30 and 630,506,517.80

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Solution

The fourth proportional to 994,663,855.40, 1,490,403,258.30 and 630,506,517.80 is: 944,750,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,663,855.40 : 1,490,403,258.30 = 630,506,517.80 : x
  2. Step 2: Convert to fraction form
    994,663,855.40/1,490,403,258.30 = 630,506,517.80/x
  3. Step 3: Cross multiply
    994,663,855.40x = 1,490,403,258.30 × 630,506,517.80
  4. Step 4: Simplify right side
    994,663,855.40x = 939,708,968,508,506,880
  5. Step 5: Solve for x
    x = 939,708,968,508,506,880/994,663,855.40
  6. Step 6: Final answer
    x = 944,750,292.68

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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.