Home / 5,638,656,030.40-8,457,984,045.60-3,434,663,915.20

Finding the Fourth Proportional to 5,638,656,030.40, 8,457,984,045.60 and 3,434,663,915.20

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Solution

The fourth proportional to 5,638,656,030.40, 8,457,984,045.60 and 3,434,663,915.20 is: 5,151,995,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,656,030.40 : 8,457,984,045.60 = 3,434,663,915.20 : x
  2. Step 2: Convert to fraction form
    5,638,656,030.40/8,457,984,045.60 = 3,434,663,915.20/x
  3. Step 3: Cross multiply
    5,638,656,030.40x = 8,457,984,045.60 × 3,434,663,915.20
  4. Step 4: Simplify right side
    5,638,656,030.40x = 29,050,332,596,759,629,824
  5. Step 5: Solve for x
    x = 29,050,332,596,759,629,824/5,638,656,030.40
  6. Step 6: Final answer
    x = 5,151,995,872.80

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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.