Home / 7,478,770,368-10,321,006,993.92-4,137,211,038.72

Finding the Fourth Proportional to 7,478,770,368, 10,321,006,993.92 and 4,137,211,038.72

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Solution

The fourth proportional to 7,478,770,368, 10,321,006,993.92 and 4,137,211,038.72 is: 5,709,519,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,770,368 : 10,321,006,993.92 = 4,137,211,038.72 : x
  2. Step 2: Convert to fraction form
    7,478,770,368/10,321,006,993.92 = 4,137,211,038.72/x
  3. Step 3: Cross multiply
    7,478,770,368x = 10,321,006,993.92 × 4,137,211,038.72
  4. Step 4: Simplify right side
    7,478,770,368x = 42,700,184,065,952,145,408
  5. Step 5: Solve for x
    x = 42,700,184,065,952,145,408/7,478,770,368
  6. Step 6: Final answer
    x = 5,709,519,341.40

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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.