Home / 12,939,264,445.80-19,408,896,668.70-10,789,355,965.80

Finding the Fourth Proportional to 12,939,264,445.80, 19,408,896,668.70 and 10,789,355,965.80

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Solution

The fourth proportional to 12,939,264,445.80, 19,408,896,668.70 and 10,789,355,965.80 is: 16,184,033,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,264,445.80 : 19,408,896,668.70 = 10,789,355,965.80 : x
  2. Step 2: Convert to fraction form
    12,939,264,445.80/19,408,896,668.70 = 10,789,355,965.80/x
  3. Step 3: Cross multiply
    12,939,264,445.80x = 19,408,896,668.70 × 10,789,355,965.80
  4. Step 4: Simplify right side
    12,939,264,445.80x = 209,409,495,062,034,087,936
  5. Step 5: Solve for x
    x = 209,409,495,062,034,087,936/12,939,264,445.80
  6. Step 6: Final answer
    x = 16,184,033,948.70

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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.