Home / 900,909,969.40-1,351,364,954.10-383,357,294.20

Finding the Fourth Proportional to 900,909,969.40, 1,351,364,954.10 and 383,357,294.20

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Solution

The fourth proportional to 900,909,969.40, 1,351,364,954.10 and 383,357,294.20 is: 575,035,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,909,969.40 : 1,351,364,954.10 = 383,357,294.20 : x
  2. Step 2: Convert to fraction form
    900,909,969.40/1,351,364,954.10 = 383,357,294.20/x
  3. Step 3: Cross multiply
    900,909,969.40x = 1,351,364,954.10 × 383,357,294.20
  4. Step 4: Simplify right side
    900,909,969.40x = 518,055,612,280,483,136
  5. Step 5: Solve for x
    x = 518,055,612,280,483,136/900,909,969.40
  6. Step 6: Final answer
    x = 575,035,941.30

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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.