Home / 668,563,345.70-1,002,845,018.55-553,677,611.30

Finding the Fourth Proportional to 668,563,345.70, 1,002,845,018.55 and 553,677,611.30

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Solution

The fourth proportional to 668,563,345.70, 1,002,845,018.55 and 553,677,611.30 is: 830,516,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,563,345.70 : 1,002,845,018.55 = 553,677,611.30 : x
  2. Step 2: Convert to fraction form
    668,563,345.70/1,002,845,018.55 = 553,677,611.30/x
  3. Step 3: Cross multiply
    668,563,345.70x = 1,002,845,018.55 × 553,677,611.30
  4. Step 4: Simplify right side
    668,563,345.70x = 555,252,834,374,868,096
  5. Step 5: Solve for x
    x = 555,252,834,374,868,096/668,563,345.70
  6. Step 6: Final answer
    x = 830,516,416.95

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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.