Home / 28,133,271,039.80-42,190,947,053.71-9,242,173,689.32

Finding the Fourth Proportional to 28,133,271,039.80, 42,190,947,053.71 and 9,242,173,689.32

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Solution

The fourth proportional to 28,133,271,039.80, 42,190,947,053.71 and 9,242,173,689.32 is: 13,860,317,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133,271,039.80 : 42,190,947,053.71 = 9,242,173,689.32 : x
  2. Step 2: Convert to fraction form
    28,133,271,039.80/42,190,947,053.71 = 9,242,173,689.32/x
  3. Step 3: Cross multiply
    28,133,271,039.80x = 42,190,947,053.71 × 9,242,173,689.32
  4. Step 4: Simplify right side
    28,133,271,039.80x = 389,936,060,787,291,717,632
  5. Step 5: Solve for x
    x = 389,936,060,787,291,717,632/28,133,271,039.80
  6. Step 6: Final answer
    x = 13,860,317,210.74

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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.