Home / 834,933,918.40-1,252,400,877.60-787,316,804.80

Finding the Fourth Proportional to 834,933,918.40, 1,252,400,877.60 and 787,316,804.80

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Solution

The fourth proportional to 834,933,918.40, 1,252,400,877.60 and 787,316,804.80 is: 1,180,975,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,933,918.40 : 1,252,400,877.60 = 787,316,804.80 : x
  2. Step 2: Convert to fraction form
    834,933,918.40/1,252,400,877.60 = 787,316,804.80/x
  3. Step 3: Cross multiply
    834,933,918.40x = 1,252,400,877.60 × 787,316,804.80
  4. Step 4: Simplify right side
    834,933,918.40x = 986,036,257,280,747,776
  5. Step 5: Solve for x
    x = 986,036,257,280,747,776/834,933,918.40
  6. Step 6: Final answer
    x = 1,180,975,207.20

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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.