Home / 994,664,042.40-1,490,403,538.80-630,506,704.80

Finding the Fourth Proportional to 994,664,042.40, 1,490,403,538.80 and 630,506,704.80

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Solution

The fourth proportional to 994,664,042.40, 1,490,403,538.80 and 630,506,704.80 is: 944,750,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,664,042.40 : 1,490,403,538.80 = 630,506,704.80 : x
  2. Step 2: Convert to fraction form
    994,664,042.40/1,490,403,538.80 = 630,506,704.80/x
  3. Step 3: Cross multiply
    994,664,042.40x = 1,490,403,538.80 × 630,506,704.80
  4. Step 4: Simplify right side
    994,664,042.40x = 939,709,424,071,046,784
  5. Step 5: Solve for x
    x = 939,709,424,071,046,784/994,664,042.40
  6. Step 6: Final answer
    x = 944,750,573.07

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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.