Home / 1,420,012,437.12-1,959,579,567.16-793,486,013.40

Finding the Fourth Proportional to 1,420,012,437.12, 1,959,579,567.16 and 793,486,013.40

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Solution

The fourth proportional to 1,420,012,437.12, 1,959,579,567.16 and 793,486,013.40 is: 1,094,989,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,012,437.12 : 1,959,579,567.16 = 793,486,013.40 : x
  2. Step 2: Convert to fraction form
    1,420,012,437.12/1,959,579,567.16 = 793,486,013.40/x
  3. Step 3: Cross multiply
    1,420,012,437.12x = 1,959,579,567.16 × 793,486,013.40
  4. Step 4: Simplify right side
    1,420,012,437.12x = 1,554,898,978,685,885,952
  5. Step 5: Solve for x
    x = 1,554,898,978,685,885,952/1,420,012,437.12
  6. Step 6: Final answer
    x = 1,094,989,690.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.