Home / 1,637,249,819.40-2,455,874,729.10-655,146,851.40

Finding the Fourth Proportional to 1,637,249,819.40, 2,455,874,729.10 and 655,146,851.40

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Solution

The fourth proportional to 1,637,249,819.40, 2,455,874,729.10 and 655,146,851.40 is: 982,720,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,249,819.40 : 2,455,874,729.10 = 655,146,851.40 : x
  2. Step 2: Convert to fraction form
    1,637,249,819.40/2,455,874,729.10 = 655,146,851.40/x
  3. Step 3: Cross multiply
    1,637,249,819.40x = 2,455,874,729.10 × 655,146,851.40
  4. Step 4: Simplify right side
    1,637,249,819.40x = 1,608,958,596,202,692,864
  5. Step 5: Solve for x
    x = 1,608,958,596,202,692,864/1,637,249,819.40
  6. Step 6: Final answer
    x = 982,720,277.10

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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.