Home / 705,089,625.40-1,057,634,438.10-429,184,703.80

Finding the Fourth Proportional to 705,089,625.40, 1,057,634,438.10 and 429,184,703.80

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Solution

The fourth proportional to 705,089,625.40, 1,057,634,438.10 and 429,184,703.80 is: 643,777,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,089,625.40 : 1,057,634,438.10 = 429,184,703.80 : x
  2. Step 2: Convert to fraction form
    705,089,625.40/1,057,634,438.10 = 429,184,703.80/x
  3. Step 3: Cross multiply
    705,089,625.40x = 1,057,634,438.10 × 429,184,703.80
  4. Step 4: Simplify right side
    705,089,625.40x = 453,920,523,044,627,968
  5. Step 5: Solve for x
    x = 453,920,523,044,627,968/705,089,625.40
  6. Step 6: Final answer
    x = 643,777,055.70

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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.