Home / 386,348,390.40-579,550,579.20-232,663,526.40

Finding the Fourth Proportional to 386,348,390.40, 579,550,579.20 and 232,663,526.40

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Solution

The fourth proportional to 386,348,390.40, 579,550,579.20 and 232,663,526.40 is: 349,012,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,348,390.40 : 579,550,579.20 = 232,663,526.40 : x
  2. Step 2: Convert to fraction form
    386,348,390.40/579,550,579.20 = 232,663,526.40/x
  3. Step 3: Cross multiply
    386,348,390.40x = 579,550,579.20 × 232,663,526.40
  4. Step 4: Simplify right side
    386,348,390.40x = 134,840,281,483,834,512
  5. Step 5: Solve for x
    x = 134,840,281,483,834,512/386,348,390.40
  6. Step 6: Final answer
    x = 349,012,147.67

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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.