Home / 310,837,363.40-429,149,149.35-197,870,595.19

Finding the Fourth Proportional to 310,837,363.40, 429,149,149.35 and 197,870,595.19

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Solution

The fourth proportional to 310,837,363.40, 429,149,149.35 and 197,870,595.19 is: 273,184,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837,363.40 : 429,149,149.35 = 197,870,595.19 : x
  2. Step 2: Convert to fraction form
    310,837,363.40/429,149,149.35 = 197,870,595.19/x
  3. Step 3: Cross multiply
    310,837,363.40x = 429,149,149.35 × 197,870,595.19
  4. Step 4: Simplify right side
    310,837,363.40x = 84,915,997,605,351,808
  5. Step 5: Solve for x
    x = 84,915,997,605,351,808/310,837,363.40
  6. Step 6: Final answer
    x = 273,184,654.11

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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.