Home / 1,620,307,823.60-2,430,528,090.60-471,450,479.60

Finding the Fourth Proportional to 1,620,307,823.60, 2,430,528,090.60 and 471,450,479.60

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Solution

The fourth proportional to 1,620,307,823.60, 2,430,528,090.60 and 471,450,479.60 is: 707,195,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,307,823.60 : 2,430,528,090.60 = 471,450,479.60 : x
  2. Step 2: Convert to fraction form
    1,620,307,823.60/2,430,528,090.60 = 471,450,479.60/x
  3. Step 3: Cross multiply
    1,620,307,823.60x = 2,430,528,090.60 × 471,450,479.60
  4. Step 4: Simplify right side
    1,620,307,823.60x = 1,145,873,633,994,642,304
  5. Step 5: Solve for x
    x = 1,145,873,633,994,642,304/1,620,307,823.60
  6. Step 6: Final answer
    x = 707,195,026.34

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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.