Home / 1,115,472,909.60-1,673,209,364.40-503,252,877.60

Finding the Fourth Proportional to 1,115,472,909.60, 1,673,209,364.40 and 503,252,877.60

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Solution

The fourth proportional to 1,115,472,909.60, 1,673,209,364.40 and 503,252,877.60 is: 754,879,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,472,909.60 : 1,673,209,364.40 = 503,252,877.60 : x
  2. Step 2: Convert to fraction form
    1,115,472,909.60/1,673,209,364.40 = 503,252,877.60/x
  3. Step 3: Cross multiply
    1,115,472,909.60x = 1,673,209,364.40 × 503,252,877.60
  4. Step 4: Simplify right side
    1,115,472,909.60x = 842,047,427,461,567,104
  5. Step 5: Solve for x
    x = 842,047,427,461,567,104/1,115,472,909.60
  6. Step 6: Final answer
    x = 754,879,316.40

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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.