Home / 2,159,402,219.92-2,979,974,337.29-1,169,327,636.92

Finding the Fourth Proportional to 2,159,402,219.92, 2,979,974,337.29 and 1,169,327,636.92

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Solution

The fourth proportional to 2,159,402,219.92, 2,979,974,337.29 and 1,169,327,636.92 is: 1,613,671,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,402,219.92 : 2,979,974,337.29 = 1,169,327,636.92 : x
  2. Step 2: Convert to fraction form
    2,159,402,219.92/2,979,974,337.29 = 1,169,327,636.92/x
  3. Step 3: Cross multiply
    2,159,402,219.92x = 2,979,974,337.29 × 1,169,327,636.92
  4. Step 4: Simplify right side
    2,159,402,219.92x = 3,484,566,349,905,559,040
  5. Step 5: Solve for x
    x = 3,484,566,349,905,559,040/2,159,402,219.92
  6. Step 6: Final answer
    x = 1,613,671,745.71

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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.