Home / 459,777,712.60-689,666,568.90-409,893,117.40

Finding the Fourth Proportional to 459,777,712.60, 689,666,568.90 and 409,893,117.40

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Solution

The fourth proportional to 459,777,712.60, 689,666,568.90 and 409,893,117.40 is: 614,839,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,777,712.60 : 689,666,568.90 = 409,893,117.40 : x
  2. Step 2: Convert to fraction form
    459,777,712.60/689,666,568.90 = 409,893,117.40/x
  3. Step 3: Cross multiply
    459,777,712.60x = 689,666,568.90 × 409,893,117.40
  4. Step 4: Simplify right side
    459,777,712.60x = 282,689,579,892,982,848
  5. Step 5: Solve for x
    x = 282,689,579,892,982,848/459,777,712.60
  6. Step 6: Final answer
    x = 614,839,676.10

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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.