Home / 890,352,155.90-1,335,528,233.85-660,769,643.90

Finding the Fourth Proportional to 890,352,155.90, 1,335,528,233.85 and 660,769,643.90

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Solution

The fourth proportional to 890,352,155.90, 1,335,528,233.85 and 660,769,643.90 is: 991,154,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,352,155.90 : 1,335,528,233.85 = 660,769,643.90 : x
  2. Step 2: Convert to fraction form
    890,352,155.90/1,335,528,233.85 = 660,769,643.90/x
  3. Step 3: Cross multiply
    890,352,155.90x = 1,335,528,233.85 × 660,769,643.90
  4. Step 4: Simplify right side
    890,352,155.90x = 882,476,515,499,460,352
  5. Step 5: Solve for x
    x = 882,476,515,499,460,352/890,352,155.90
  6. Step 6: Final answer
    x = 991,154,465.85

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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.