Home / 1,253,423,052.80-1,878,940,185.60-976,920,934.40

Finding the Fourth Proportional to 1,253,423,052.80, 1,878,940,185.60 and 976,920,934.40

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Solution

The fourth proportional to 1,253,423,052.80, 1,878,940,185.60 and 976,920,934.40 is: 1,464,450,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,423,052.80 : 1,878,940,185.60 = 976,920,934.40 : x
  2. Step 2: Convert to fraction form
    1,253,423,052.80/1,878,940,185.60 = 976,920,934.40/x
  3. Step 3: Cross multiply
    1,253,423,052.80x = 1,878,940,185.60 × 976,920,934.40
  4. Step 4: Simplify right side
    1,253,423,052.80x = 1,835,576,001,798,061,312
  5. Step 5: Solve for x
    x = 1,835,576,001,798,061,312/1,253,423,052.80
  6. Step 6: Final answer
    x = 1,464,450,488.36

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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.