Home / 890,352,169.40-1,335,528,254.10-660,769,657.40

Finding the Fourth Proportional to 890,352,169.40, 1,335,528,254.10 and 660,769,657.40

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Solution

The fourth proportional to 890,352,169.40, 1,335,528,254.10 and 660,769,657.40 is: 991,154,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,352,169.40 : 1,335,528,254.10 = 660,769,657.40 : x
  2. Step 2: Convert to fraction form
    890,352,169.40/1,335,528,254.10 = 660,769,657.40/x
  3. Step 3: Cross multiply
    890,352,169.40x = 1,335,528,254.10 × 660,769,657.40
  4. Step 4: Simplify right side
    890,352,169.40x = 882,476,546,909,677,056
  5. Step 5: Solve for x
    x = 882,476,546,909,677,056/890,352,169.40
  6. Step 6: Final answer
    x = 991,154,486.10

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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.