Home / 357,697,721.60-535,885,233.60-203,886,886.40

Finding the Fourth Proportional to 357,697,721.60, 535,885,233.60 and 203,886,886.40

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Solution

The fourth proportional to 357,697,721.60, 535,885,233.60 and 203,886,886.40 is: 305,453,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,697,721.60 : 535,885,233.60 = 203,886,886.40 : x
  2. Step 2: Convert to fraction form
    357,697,721.60/535,885,233.60 = 203,886,886.40/x
  3. Step 3: Cross multiply
    357,697,721.60x = 535,885,233.60 × 203,886,886.40
  4. Step 4: Simplify right side
    357,697,721.60x = 109,259,971,746,440,672
  5. Step 5: Solve for x
    x = 109,259,971,746,440,672/357,697,721.60
  6. Step 6: Final answer
    x = 305,453,362.29

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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.