Home / 808,704,437.40-1,213,056,656.10-647,461,301.40

Finding the Fourth Proportional to 808,704,437.40, 1,213,056,656.10 and 647,461,301.40

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Solution

The fourth proportional to 808,704,437.40, 1,213,056,656.10 and 647,461,301.40 is: 971,191,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,704,437.40 : 1,213,056,656.10 = 647,461,301.40 : x
  2. Step 2: Convert to fraction form
    808,704,437.40/1,213,056,656.10 = 647,461,301.40/x
  3. Step 3: Cross multiply
    808,704,437.40x = 1,213,056,656.10 × 647,461,301.40
  4. Step 4: Simplify right side
    808,704,437.40x = 785,407,241,230,438,144
  5. Step 5: Solve for x
    x = 785,407,241,230,438,144/808,704,437.40
  6. Step 6: Final answer
    x = 971,191,952.10

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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.