Home / 1,392,598,020,239-2,089,851,209,173.80-486,035,828,173.38

Finding the Fourth Proportional to 1,392,598,020,239, 2,089,851,209,173.80 and 486,035,828,173.38

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Solution

The fourth proportional to 1,392,598,020,239, 2,089,851,209,173.80 and 486,035,828,173.38 is: 729,386,763,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,598,020,239 : 2,089,851,209,173.80 = 486,035,828,173.38 : x
  2. Step 2: Convert to fraction form
    1,392,598,020,239/2,089,851,209,173.80 = 486,035,828,173.38/x
  3. Step 3: Cross multiply
    1,392,598,020,239x = 2,089,851,209,173.80 × 486,035,828,173.38
  4. Step 4: Simplify right side
    1,392,598,020,239x = 1,015,742,563,209,927,519,633,408
  5. Step 5: Solve for x
    x = 1,015,742,563,209,927,519,633,408/1,392,598,020,239
  6. Step 6: Final answer
    x = 729,386,763,766.62

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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.