Home / 28,749,733,397.86-39,667,830,096.78-16,699,585,130.50

Finding the Fourth Proportional to 28,749,733,397.86, 39,667,830,096.78 and 16,699,585,130.50

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Solution

The fourth proportional to 28,749,733,397.86, 39,667,830,096.78 and 16,699,585,130.50 is: 23,041,476,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749,733,397.86 : 39,667,830,096.78 = 16,699,585,130.50 : x
  2. Step 2: Convert to fraction form
    28,749,733,397.86/39,667,830,096.78 = 16,699,585,130.50/x
  3. Step 3: Cross multiply
    28,749,733,397.86x = 39,667,830,096.78 × 16,699,585,130.50
  4. Step 4: Simplify right side
    28,749,733,397.86x = 662,436,305,643,387,617,280
  5. Step 5: Solve for x
    x = 662,436,305,643,387,617,280/28,749,733,397.86
  6. Step 6: Final answer
    x = 23,041,476,471.32

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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.