Home / 390,955,031.52-586,148,217.04-183,586,587.24

Finding the Fourth Proportional to 390,955,031.52, 586,148,217.04 and 183,586,587.24

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Solution

The fourth proportional to 390,955,031.52, 586,148,217.04 and 183,586,587.24 is: 275,246,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,955,031.52 : 586,148,217.04 = 183,586,587.24 : x
  2. Step 2: Convert to fraction form
    390,955,031.52/586,148,217.04 = 183,586,587.24/x
  3. Step 3: Cross multiply
    390,955,031.52x = 586,148,217.04 × 183,586,587.24
  4. Step 4: Simplify right side
    390,955,031.52x = 107,608,950,783,184,416
  5. Step 5: Solve for x
    x = 107,608,950,783,184,416/390,955,031.52
  6. Step 6: Final answer
    x = 275,246,363.67

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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.