Home / 522,676,866.41-784,011,811.95-211,779,895.60

Finding the Fourth Proportional to 522,676,866.41, 784,011,811.95 and 211,779,895.60

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Solution

The fourth proportional to 522,676,866.41, 784,011,811.95 and 211,779,895.60 is: 317,668,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,676,866.41 : 784,011,811.95 = 211,779,895.60 : x
  2. Step 2: Convert to fraction form
    522,676,866.41/784,011,811.95 = 211,779,895.60/x
  3. Step 3: Cross multiply
    522,676,866.41x = 784,011,811.95 × 211,779,895.60
  4. Step 4: Simplify right side
    522,676,866.41x = 166,037,939,681,977,824
  5. Step 5: Solve for x
    x = 166,037,939,681,977,824/522,676,866.41
  6. Step 6: Final answer
    x = 317,668,430.26

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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.