Home / 1,036,424,429.20-1,554,636,643.80-455,293,695.70

Finding the Fourth Proportional to 1,036,424,429.20, 1,554,636,643.80 and 455,293,695.70

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Solution

The fourth proportional to 1,036,424,429.20, 1,554,636,643.80 and 455,293,695.70 is: 682,940,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,424,429.20 : 1,554,636,643.80 = 455,293,695.70 : x
  2. Step 2: Convert to fraction form
    1,036,424,429.20/1,554,636,643.80 = 455,293,695.70/x
  3. Step 3: Cross multiply
    1,036,424,429.20x = 1,554,636,643.80 × 455,293,695.70
  4. Step 4: Simplify right side
    1,036,424,429.20x = 707,816,263,026,346,496
  5. Step 5: Solve for x
    x = 707,816,263,026,346,496/1,036,424,429.20
  6. Step 6: Final answer
    x = 682,940,543.55

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Double scale
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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.