Home / 30,947,447,756.09-46,430,279,348.65-9,985,487,356.73

Finding the Fourth Proportional to 30,947,447,756.09, 46,430,279,348.65 and 9,985,487,356.73

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Solution

The fourth proportional to 30,947,447,756.09, 46,430,279,348.65 and 9,985,487,356.73 is: 14,981,169,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947,447,756.09 : 46,430,279,348.65 = 9,985,487,356.73 : x
  2. Step 2: Convert to fraction form
    30,947,447,756.09/46,430,279,348.65 = 9,985,487,356.73/x
  3. Step 3: Cross multiply
    30,947,447,756.09x = 46,430,279,348.65 × 9,985,487,356.73
  4. Step 4: Simplify right side
    30,947,447,756.09x = 463,628,967,405,386,596,352
  5. Step 5: Solve for x
    x = 463,628,967,405,386,596,352/30,947,447,756.09
  6. Step 6: Final answer
    x = 14,981,169,725.51

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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.