Home / 425,089,803.60-637,634,705.40-118,429,246.80

Finding the Fourth Proportional to 425,089,803.60, 637,634,705.40 and 118,429,246.80

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Solution

The fourth proportional to 425,089,803.60, 637,634,705.40 and 118,429,246.80 is: 177,643,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,089,803.60 : 637,634,705.40 = 118,429,246.80 : x
  2. Step 2: Convert to fraction form
    425,089,803.60/637,634,705.40 = 118,429,246.80/x
  3. Step 3: Cross multiply
    425,089,803.60x = 637,634,705.40 × 118,429,246.80
  4. Step 4: Simplify right side
    425,089,803.60x = 75,514,597,894,061,888
  5. Step 5: Solve for x
    x = 75,514,597,894,061,888/425,089,803.60
  6. Step 6: Final answer
    x = 177,643,870.20

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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.