Home / 698,688,100.15-1,048,032,150.23-537,444,964.15

Finding the Fourth Proportional to 698,688,100.15, 1,048,032,150.23 and 537,444,964.15

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Solution

The fourth proportional to 698,688,100.15, 1,048,032,150.23 and 537,444,964.15 is: 806,167,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,100.15 : 1,048,032,150.23 = 537,444,964.15 : x
  2. Step 2: Convert to fraction form
    698,688,100.15/1,048,032,150.23 = 537,444,964.15/x
  3. Step 3: Cross multiply
    698,688,100.15x = 1,048,032,150.23 × 537,444,964.15
  4. Step 4: Simplify right side
    698,688,100.15x = 563,259,601,408,409,728
  5. Step 5: Solve for x
    x = 563,259,601,408,409,728/698,688,100.15
  6. Step 6: Final answer
    x = 806,167,446.23

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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.