Home / 239,753,402,898.02-359,652,210,969.75-78,405,646,602.98

Finding the Fourth Proportional to 239,753,402,898.02, 359,652,210,969.75 and 78,405,646,602.98

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Solution

The fourth proportional to 239,753,402,898.02, 359,652,210,969.75 and 78,405,646,602.98 is: 117,615,699,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,753,402,898.02 : 359,652,210,969.75 = 78,405,646,602.98 : x
  2. Step 2: Convert to fraction form
    239,753,402,898.02/359,652,210,969.75 = 78,405,646,602.98/x
  3. Step 3: Cross multiply
    239,753,402,898.02x = 359,652,210,969.75 × 78,405,646,602.98
  4. Step 4: Simplify right side
    239,753,402,898.02x = 28,198,764,153,274,623,852,544
  5. Step 5: Solve for x
    x = 28,198,764,153,274,623,852,544/239,753,402,898.02
  6. Step 6: Final answer
    x = 117,615,699,349.51

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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.