Home / 698,362,002.50-1,047,720,938.07-207,093,218.18

Finding the Fourth Proportional to 698,362,002.50, 1,047,720,938.07 and 207,093,218.18

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Solution

The fourth proportional to 698,362,002.50, 1,047,720,938.07 and 207,093,218.18 is: 310,692,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,362,002.50 : 1,047,720,938.07 = 207,093,218.18 : x
  2. Step 2: Convert to fraction form
    698,362,002.50/1,047,720,938.07 = 207,093,218.18/x
  3. Step 3: Cross multiply
    698,362,002.50x = 1,047,720,938.07 × 207,093,218.18
  4. Step 4: Simplify right side
    698,362,002.50x = 216,975,900,819,484,800
  5. Step 5: Solve for x
    x = 216,975,900,819,484,800/698,362,002.50
  6. Step 6: Final answer
    x = 310,692,592.16

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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.