Home / 738,051,392.25-1,018,532,178.95-408,047,788.89

Finding the Fourth Proportional to 738,051,392.25, 1,018,532,178.95 and 408,047,788.89

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Solution

The fourth proportional to 738,051,392.25, 1,018,532,178.95 and 408,047,788.89 is: 563,117,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,392.25 : 1,018,532,178.95 = 408,047,788.89 : x
  2. Step 2: Convert to fraction form
    738,051,392.25/1,018,532,178.95 = 408,047,788.89/x
  3. Step 3: Cross multiply
    738,051,392.25x = 1,018,532,178.95 × 408,047,788.89
  4. Step 4: Simplify right side
    738,051,392.25x = 415,609,803,531,821,056
  5. Step 5: Solve for x
    x = 415,609,803,531,821,056/738,051,392.25
  6. Step 6: Final answer
    x = 563,117,701.42

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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.