Home / 1,318,536,063.63-1,819,512,946.48-782,710,632.32

Finding the Fourth Proportional to 1,318,536,063.63, 1,819,512,946.48 and 782,710,632.32

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Solution

The fourth proportional to 1,318,536,063.63, 1,819,512,946.48 and 782,710,632.32 is: 1,080,101,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,536,063.63 : 1,819,512,946.48 = 782,710,632.32 : x
  2. Step 2: Convert to fraction form
    1,318,536,063.63/1,819,512,946.48 = 782,710,632.32/x
  3. Step 3: Cross multiply
    1,318,536,063.63x = 1,819,512,946.48 × 782,710,632.32
  4. Step 4: Simplify right side
    1,318,536,063.63x = 1,424,152,128,859,353,600
  5. Step 5: Solve for x
    x = 1,424,152,128,859,353,600/1,318,536,063.63
  6. Step 6: Final answer
    x = 1,080,101,006.06

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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.