Home / 439,720,438.40-659,580,657.60-152,506,102.40

Finding the Fourth Proportional to 439,720,438.40, 659,580,657.60 and 152,506,102.40

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Solution

The fourth proportional to 439,720,438.40, 659,580,657.60 and 152,506,102.40 is: 228,759,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,720,438.40 : 659,580,657.60 = 152,506,102.40 : x
  2. Step 2: Convert to fraction form
    439,720,438.40/659,580,657.60 = 152,506,102.40/x
  3. Step 3: Cross multiply
    439,720,438.40x = 659,580,657.60 × 152,506,102.40
  4. Step 4: Simplify right side
    439,720,438.40x = 100,590,075,309,004,944
  5. Step 5: Solve for x
    x = 100,590,075,309,004,944/439,720,438.40
  6. Step 6: Final answer
    x = 228,759,153.60

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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.