Home / 1,048,853,348.78-1,447,417,401.82-578,954,545.78

Finding the Fourth Proportional to 1,048,853,348.78, 1,447,417,401.82 and 578,954,545.78

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Solution

The fourth proportional to 1,048,853,348.78, 1,447,417,401.82 and 578,954,545.78 is: 798,957,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,853,348.78 : 1,447,417,401.82 = 578,954,545.78 : x
  2. Step 2: Convert to fraction form
    1,048,853,348.78/1,447,417,401.82 = 578,954,545.78/x
  3. Step 3: Cross multiply
    1,048,853,348.78x = 1,447,417,401.82 × 578,954,545.78
  4. Step 4: Simplify right side
    1,048,853,348.78x = 837,988,884,424,765,824
  5. Step 5: Solve for x
    x = 837,988,884,424,765,824/1,048,853,348.78
  6. Step 6: Final answer
    x = 798,957,152.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.