Home / 15,408,079,164.20-21,263,152,360.16-9,386,582,751.11

Finding the Fourth Proportional to 15,408,079,164.20, 21,263,152,360.16 and 9,386,582,751.11

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Solution

The fourth proportional to 15,408,079,164.20, 21,263,152,360.16 and 9,386,582,751.11 is: 12,953,486,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,079,164.20 : 21,263,152,360.16 = 9,386,582,751.11 : x
  2. Step 2: Convert to fraction form
    15,408,079,164.20/21,263,152,360.16 = 9,386,582,751.11/x
  3. Step 3: Cross multiply
    15,408,079,164.20x = 21,263,152,360.16 × 9,386,582,751.11
  4. Step 4: Simplify right side
    15,408,079,164.20x = 199,588,339,178,101,768,192
  5. Step 5: Solve for x
    x = 199,588,339,178,101,768,192/15,408,079,164.20
  6. Step 6: Final answer
    x = 12,953,486,093.31

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1.5x scale

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.