Home / 387,072,030.60-580,657,812.30-193,082,603.40

Finding the Fourth Proportional to 387,072,030.60, 580,657,812.30 and 193,082,603.40

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Solution

The fourth proportional to 387,072,030.60, 580,657,812.30 and 193,082,603.40 is: 289,648,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,030.60 : 580,657,812.30 = 193,082,603.40 : x
  2. Step 2: Convert to fraction form
    387,072,030.60/580,657,812.30 = 193,082,603.40/x
  3. Step 3: Cross multiply
    387,072,030.60x = 580,657,812.30 × 193,082,603.40
  4. Step 4: Simplify right side
    387,072,030.60x = 112,114,922,083,432,544
  5. Step 5: Solve for x
    x = 112,114,922,083,432,544/387,072,030.60
  6. Step 6: Final answer
    x = 289,648,730.00

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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.