Home / 783,724,487.05-1,081,539,968.67-431,300,477.77

Finding the Fourth Proportional to 783,724,487.05, 1,081,539,968.67 and 431,300,477.77

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Solution

The fourth proportional to 783,724,487.05, 1,081,539,968.67 and 431,300,477.77 is: 595,194,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,724,487.05 : 1,081,539,968.67 = 431,300,477.77 : x
  2. Step 2: Convert to fraction form
    783,724,487.05/1,081,539,968.67 = 431,300,477.77/x
  3. Step 3: Cross multiply
    783,724,487.05x = 1,081,539,968.67 × 431,300,477.77
  4. Step 4: Simplify right side
    783,724,487.05x = 466,468,705,214,721,856
  5. Step 5: Solve for x
    x = 466,468,705,214,721,856/783,724,487.05
  6. Step 6: Final answer
    x = 595,194,756.48

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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.