Home / 820,039,249,501.60-1,229,610,461,919.60-651,143,771,600.80

Finding the Fourth Proportional to 820,039,249,501.60, 1,229,610,461,919.60 and 651,143,771,600.80

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Solution

The fourth proportional to 820,039,249,501.60, 1,229,610,461,919.60 and 651,143,771,600.80 is: 976,359,600,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,039,249,501.60 : 1,229,610,461,919.60 = 651,143,771,600.80 : x
  2. Step 2: Convert to fraction form
    820,039,249,501.60/1,229,610,461,919.60 = 651,143,771,600.80/x
  3. Step 3: Cross multiply
    820,039,249,501.60x = 1,229,610,461,919.60 × 651,143,771,600.80
  4. Step 4: Simplify right side
    820,039,249,501.60x = 800,653,193,774,130,278,694,912
  5. Step 5: Solve for x
    x = 800,653,193,774,130,278,694,912/820,039,249,501.60
  6. Step 6: Final answer
    x = 976,359,600,178.59

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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.