Home / 1,048,720,772.10-1,447,237,587.33-572,415,441.78

Finding the Fourth Proportional to 1,048,720,772.10, 1,447,237,587.33 and 572,415,441.78

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Solution

The fourth proportional to 1,048,720,772.10, 1,447,237,587.33 and 572,415,441.78 is: 789,934,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,720,772.10 : 1,447,237,587.33 = 572,415,441.78 : x
  2. Step 2: Convert to fraction form
    1,048,720,772.10/1,447,237,587.33 = 572,415,441.78/x
  3. Step 3: Cross multiply
    1,048,720,772.10x = 1,447,237,587.33 × 572,415,441.78
  4. Step 4: Simplify right side
    1,048,720,772.10x = 828,421,142,912,123,136
  5. Step 5: Solve for x
    x = 828,421,142,912,123,136/1,048,720,772.10
  6. Step 6: Final answer
    x = 789,934,904.46

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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.