Home / 853,884,914.58-1,178,362,190.25-462,744,338.58

Finding the Fourth Proportional to 853,884,914.58, 1,178,362,190.25 and 462,744,338.58

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Solution

The fourth proportional to 853,884,914.58, 1,178,362,190.25 and 462,744,338.58 is: 638,587,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,884,914.58 : 1,178,362,190.25 = 462,744,338.58 : x
  2. Step 2: Convert to fraction form
    853,884,914.58/1,178,362,190.25 = 462,744,338.58/x
  3. Step 3: Cross multiply
    853,884,914.58x = 1,178,362,190.25 × 462,744,338.58
  4. Step 4: Simplify right side
    853,884,914.58x = 545,280,432,334,916,352
  5. Step 5: Solve for x
    x = 545,280,432,334,916,352/853,884,914.58
  6. Step 6: Final answer
    x = 638,587,733.57

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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.