Home / 578,345,666.80-867,512,970.60-141,648,271.60

Finding the Fourth Proportional to 578,345,666.80, 867,512,970.60 and 141,648,271.60

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Solution

The fourth proportional to 578,345,666.80, 867,512,970.60 and 141,648,271.60 is: 212,471,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,345,666.80 : 867,512,970.60 = 141,648,271.60 : x
  2. Step 2: Convert to fraction form
    578,345,666.80/867,512,970.60 = 141,648,271.60/x
  3. Step 3: Cross multiply
    578,345,666.80x = 867,512,970.60 × 141,648,271.60
  4. Step 4: Simplify right side
    578,345,666.80x = 122,881,712,876,071,616
  5. Step 5: Solve for x
    x = 122,881,712,876,071,616/578,345,666.80
  6. Step 6: Final answer
    x = 212,471,053.09

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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.