Home / 31,177,872,001.80-46,766,808,002.70-28,021,537,614.60

Finding the Fourth Proportional to 31,177,872,001.80, 46,766,808,002.70 and 28,021,537,614.60

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Solution

The fourth proportional to 31,177,872,001.80, 46,766,808,002.70 and 28,021,537,614.60 is: 42,032,306,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,872,001.80 : 46,766,808,002.70 = 28,021,537,614.60 : x
  2. Step 2: Convert to fraction form
    31,177,872,001.80/46,766,808,002.70 = 28,021,537,614.60/x
  3. Step 3: Cross multiply
    31,177,872,001.80x = 46,766,808,002.70 × 28,021,537,614.60
  4. Step 4: Simplify right side
    31,177,872,001.80x = 1,310,477,869,562,434,158,592
  5. Step 5: Solve for x
    x = 1,310,477,869,562,434,158,592/31,177,872,001.80
  6. Step 6: Final answer
    x = 42,032,306,421.90

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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.