Home / 872,624,074.59-1,308,927,484.98-399,788,996.76

Finding the Fourth Proportional to 872,624,074.59, 1,308,927,484.98 and 399,788,996.76

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Solution

The fourth proportional to 872,624,074.59, 1,308,927,484.98 and 399,788,996.76 is: 599,679,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,624,074.59 : 1,308,927,484.98 = 399,788,996.76 : x
  2. Step 2: Convert to fraction form
    872,624,074.59/1,308,927,484.98 = 399,788,996.76/x
  3. Step 3: Cross multiply
    872,624,074.59x = 1,308,927,484.98 × 399,788,996.76
  4. Step 4: Simplify right side
    872,624,074.59x = 523,294,806,051,744,192
  5. Step 5: Solve for x
    x = 523,294,806,051,744,192/872,624,074.59
  6. Step 6: Final answer
    x = 599,679,542.76

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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.