Home / 14,979,590,782.48-20,663,998,034.47-9,262,047,538.72

Finding the Fourth Proportional to 14,979,590,782.48, 20,663,998,034.47 and 9,262,047,538.72

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Solution

The fourth proportional to 14,979,590,782.48, 20,663,998,034.47 and 9,262,047,538.72 is: 12,776,779,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979,590,782.48 : 20,663,998,034.47 = 9,262,047,538.72 : x
  2. Step 2: Convert to fraction form
    14,979,590,782.48/20,663,998,034.47 = 9,262,047,538.72/x
  3. Step 3: Cross multiply
    14,979,590,782.48x = 20,663,998,034.47 × 9,262,047,538.72
  4. Step 4: Simplify right side
    14,979,590,782.48x = 191,390,932,135,277,789,184
  5. Step 5: Solve for x
    x = 191,390,932,135,277,789,184/14,979,590,782.48
  6. Step 6: Final answer
    x = 12,776,779,747.49

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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.