Home / 698,688,132.80-1,048,032,199.20-238,557,329.60

Finding the Fourth Proportional to 698,688,132.80, 1,048,032,199.20 and 238,557,329.60

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Solution

The fourth proportional to 698,688,132.80, 1,048,032,199.20 and 238,557,329.60 is: 357,835,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,132.80 : 1,048,032,199.20 = 238,557,329.60 : x
  2. Step 2: Convert to fraction form
    698,688,132.80/1,048,032,199.20 = 238,557,329.60/x
  3. Step 3: Cross multiply
    698,688,132.80x = 1,048,032,199.20 × 238,557,329.60
  4. Step 4: Simplify right side
    698,688,132.80x = 250,015,762,775,967,264
  5. Step 5: Solve for x
    x = 250,015,762,775,967,264/698,688,132.80
  6. Step 6: Final answer
    x = 357,835,994.40

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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.