Home / 1,601,691,390.90-2,402,537,086.35-1,257,706,034.10

Finding the Fourth Proportional to 1,601,691,390.90, 2,402,537,086.35 and 1,257,706,034.10

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Solution

The fourth proportional to 1,601,691,390.90, 2,402,537,086.35 and 1,257,706,034.10 is: 1,886,559,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,691,390.90 : 2,402,537,086.35 = 1,257,706,034.10 : x
  2. Step 2: Convert to fraction form
    1,601,691,390.90/2,402,537,086.35 = 1,257,706,034.10/x
  3. Step 3: Cross multiply
    1,601,691,390.90x = 2,402,537,086.35 × 1,257,706,034.10
  4. Step 4: Simplify right side
    1,601,691,390.90x = 3,021,685,390,651,427,328
  5. Step 5: Solve for x
    x = 3,021,685,390,651,427,328/1,601,691,390.90
  6. Step 6: Final answer
    x = 1,886,559,051.15

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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.