Home / 888,931,501.60-1,226,800,804.08-492,578,818.24

Finding the Fourth Proportional to 888,931,501.60, 1,226,800,804.08 and 492,578,818.24

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Solution

The fourth proportional to 888,931,501.60, 1,226,800,804.08 and 492,578,818.24 is: 679,800,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,931,501.60 : 1,226,800,804.08 = 492,578,818.24 : x
  2. Step 2: Convert to fraction form
    888,931,501.60/1,226,800,804.08 = 492,578,818.24/x
  3. Step 3: Cross multiply
    888,931,501.60x = 1,226,800,804.08 × 492,578,818.24
  4. Step 4: Simplify right side
    888,931,501.60x = 604,296,090,289,608,192
  5. Step 5: Solve for x
    x = 604,296,090,289,608,192/888,931,501.60
  6. Step 6: Final answer
    x = 679,800,512.42

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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.