Home / 435,411,411.84-653,154,739.20-120,277,330.56

Finding the Fourth Proportional to 435,411,411.84, 653,154,739.20 and 120,277,330.56

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Solution

The fourth proportional to 435,411,411.84, 653,154,739.20 and 120,277,330.56 is: 180,426,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,411,411.84 : 653,154,739.20 = 120,277,330.56 : x
  2. Step 2: Convert to fraction form
    435,411,411.84/653,154,739.20 = 120,277,330.56/x
  3. Step 3: Cross multiply
    435,411,411.84x = 653,154,739.20 × 120,277,330.56
  4. Step 4: Simplify right side
    435,411,411.84x = 78,559,708,473,588,992
  5. Step 5: Solve for x
    x = 78,559,708,473,588,992/435,411,411.84
  6. Step 6: Final answer
    x = 180,426,388.32

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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.