Home / 31,177,872,002.80-46,766,808,004.20-28,021,537,615.60

Finding the Fourth Proportional to 31,177,872,002.80, 46,766,808,004.20 and 28,021,537,615.60

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Solution

The fourth proportional to 31,177,872,002.80, 46,766,808,004.20 and 28,021,537,615.60 is: 42,032,306,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,872,002.80 : 46,766,808,004.20 = 28,021,537,615.60 : x
  2. Step 2: Convert to fraction form
    31,177,872,002.80/46,766,808,004.20 = 28,021,537,615.60/x
  3. Step 3: Cross multiply
    31,177,872,002.80x = 46,766,808,004.20 × 28,021,537,615.60
  4. Step 4: Simplify right side
    31,177,872,002.80x = 1,310,477,869,651,233,341,440
  5. Step 5: Solve for x
    x = 1,310,477,869,651,233,341,440/31,177,872,002.80
  6. Step 6: Final answer
    x = 42,032,306,423.40

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1.5x scale

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.