Home / 1,492,992,014.80-2,239,488,022.20-402,585,307.60

Finding the Fourth Proportional to 1,492,992,014.80, 2,239,488,022.20 and 402,585,307.60

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Solution

The fourth proportional to 1,492,992,014.80, 2,239,488,022.20 and 402,585,307.60 is: 603,877,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,992,014.80 : 2,239,488,022.20 = 402,585,307.60 : x
  2. Step 2: Convert to fraction form
    1,492,992,014.80/2,239,488,022.20 = 402,585,307.60/x
  3. Step 3: Cross multiply
    1,492,992,014.80x = 2,239,488,022.20 × 402,585,307.60
  4. Step 4: Simplify right side
    1,492,992,014.80x = 901,584,974,283,902,592
  5. Step 5: Solve for x
    x = 901,584,974,283,902,592/1,492,992,014.80
  6. Step 6: Final answer
    x = 603,877,961.40

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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.