Home / 1,347,510,549.60-2,021,265,824.40-326,304,021.60

Finding the Fourth Proportional to 1,347,510,549.60, 2,021,265,824.40 and 326,304,021.60

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Solution

The fourth proportional to 1,347,510,549.60, 2,021,265,824.40 and 326,304,021.60 is: 489,456,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,510,549.60 : 2,021,265,824.40 = 326,304,021.60 : x
  2. Step 2: Convert to fraction form
    1,347,510,549.60/2,021,265,824.40 = 326,304,021.60/x
  3. Step 3: Cross multiply
    1,347,510,549.60x = 2,021,265,824.40 × 326,304,021.60
  4. Step 4: Simplify right side
    1,347,510,549.60x = 659,547,167,224,359,424
  5. Step 5: Solve for x
    x = 659,547,167,224,359,424/1,347,510,549.60
  6. Step 6: Final answer
    x = 489,456,032.40

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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.