Home / 899,181,025.80-1,348,771,538.70-860,438,976.90

Finding the Fourth Proportional to 899,181,025.80, 1,348,771,538.70 and 860,438,976.90

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Solution

The fourth proportional to 899,181,025.80, 1,348,771,538.70 and 860,438,976.90 is: 1,290,658,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,181,025.80 : 1,348,771,538.70 = 860,438,976.90 : x
  2. Step 2: Convert to fraction form
    899,181,025.80/1,348,771,538.70 = 860,438,976.90/x
  3. Step 3: Cross multiply
    899,181,025.80x = 1,348,771,538.70 × 860,438,976.90
  4. Step 4: Simplify right side
    899,181,025.80x = 1,160,535,602,830,866,688
  5. Step 5: Solve for x
    x = 1,160,535,602,830,866,688/899,181,025.80
  6. Step 6: Final answer
    x = 1,290,658,465.35

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1.5x scale

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.