Home / 369,144,667.30-553,717,000.95-309,126,388.90

Finding the Fourth Proportional to 369,144,667.30, 553,717,000.95 and 309,126,388.90

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Solution

The fourth proportional to 369,144,667.30, 553,717,000.95 and 309,126,388.90 is: 463,689,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,144,667.30 : 553,717,000.95 = 309,126,388.90 : x
  2. Step 2: Convert to fraction form
    369,144,667.30/553,717,000.95 = 309,126,388.90/x
  3. Step 3: Cross multiply
    369,144,667.30x = 553,717,000.95 × 309,126,388.90
  4. Step 4: Simplify right side
    369,144,667.30x = 171,168,536,976,211,360
  5. Step 5: Solve for x
    x = 171,168,536,976,211,360/369,144,667.30
  6. Step 6: Final answer
    x = 463,689,583.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.