Home / 20,364,762,021.34-28,105,818,152.26-12,335,866,981.96

Finding the Fourth Proportional to 20,364,762,021.34, 28,105,818,152.26 and 12,335,866,981.96

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Solution

The fourth proportional to 20,364,762,021.34, 28,105,818,152.26 and 12,335,866,981.96 is: 17,024,978,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,762,021.34 : 28,105,818,152.26 = 12,335,866,981.96 : x
  2. Step 2: Convert to fraction form
    20,364,762,021.34/28,105,818,152.26 = 12,335,866,981.96/x
  3. Step 3: Cross multiply
    20,364,762,021.34x = 28,105,818,152.26 × 12,335,866,981.96
  4. Step 4: Simplify right side
    20,364,762,021.34x = 346,709,634,145,436,106,752
  5. Step 5: Solve for x
    x = 346,709,634,145,436,106,752/20,364,762,021.34
  6. Step 6: Final answer
    x = 17,024,978,430.00

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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.