Home / 765,610,323.52-1,056,402,880.32-431,030,816.32

Finding the Fourth Proportional to 765,610,323.52, 1,056,402,880.32 and 431,030,816.32

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Solution

The fourth proportional to 765,610,323.52, 1,056,402,880.32 and 431,030,816.32 is: 594,744,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,610,323.52 : 1,056,402,880.32 = 431,030,816.32 : x
  2. Step 2: Convert to fraction form
    765,610,323.52/1,056,402,880.32 = 431,030,816.32/x
  3. Step 3: Cross multiply
    765,610,323.52x = 1,056,402,880.32 × 431,030,816.32
  4. Step 4: Simplify right side
    765,610,323.52x = 455,342,195,867,128,896
  5. Step 5: Solve for x
    x = 455,342,195,867,128,896/765,610,323.52
  6. Step 6: Final answer
    x = 594,744,064.81

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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.