Home / 853,884,996.58-1,178,362,303.29-462,744,420.58

Finding the Fourth Proportional to 853,884,996.58, 1,178,362,303.29 and 462,744,420.58

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Solution

The fourth proportional to 853,884,996.58, 1,178,362,303.29 and 462,744,420.58 is: 638,587,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,884,996.58 : 1,178,362,303.29 = 462,744,420.58 : x
  2. Step 2: Convert to fraction form
    853,884,996.58/1,178,362,303.29 = 462,744,420.58/x
  3. Step 3: Cross multiply
    853,884,996.58x = 1,178,362,303.29 × 462,744,420.58
  4. Step 4: Simplify right side
    853,884,996.58x = 545,280,581,269,245,248
  5. Step 5: Solve for x
    x = 545,280,581,269,245,248/853,884,996.58
  6. Step 6: Final answer
    x = 638,587,846.67

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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.