Home / 888,519,954.15-1,332,779,931.23-429,354,930.15

Finding the Fourth Proportional to 888,519,954.15, 1,332,779,931.23 and 429,354,930.15

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Solution

The fourth proportional to 888,519,954.15, 1,332,779,931.23 and 429,354,930.15 is: 644,032,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,519,954.15 : 1,332,779,931.23 = 429,354,930.15 : x
  2. Step 2: Convert to fraction form
    888,519,954.15/1,332,779,931.23 = 429,354,930.15/x
  3. Step 3: Cross multiply
    888,519,954.15x = 1,332,779,931.23 × 429,354,930.15
  4. Step 4: Simplify right side
    888,519,954.15x = 572,235,634,276,431,616
  5. Step 5: Solve for x
    x = 572,235,634,276,431,616/888,519,954.15
  6. Step 6: Final answer
    x = 644,032,395.23

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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.