Home / 78,544,296,124.80-108,390,410,688.96-42,901,600,444.80

Finding the Fourth Proportional to 78,544,296,124.80, 108,390,410,688.96 and 42,901,600,444.80

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Solution

The fourth proportional to 78,544,296,124.80, 108,390,410,688.96 and 42,901,600,444.80 is: 59,203,816,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544,296,124.80 : 108,390,410,688.96 = 42,901,600,444.80 : x
  2. Step 2: Convert to fraction form
    78,544,296,124.80/108,390,410,688.96 = 42,901,600,444.80/x
  3. Step 3: Cross multiply
    78,544,296,124.80x = 108,390,410,688.96 × 42,901,600,444.80
  4. Step 4: Simplify right side
    78,544,296,124.80x = 4,650,122,091,425,541,652,480
  5. Step 5: Solve for x
    x = 4,650,122,091,425,541,652,480/78,544,296,124.80
  6. Step 6: Final answer
    x = 59,203,816,455.84

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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.