Home / 1,078,861,477.26-1,488,828,840.51-583,824,185.58

Finding the Fourth Proportional to 1,078,861,477.26, 1,488,828,840.51 and 583,824,185.58

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Solution

The fourth proportional to 1,078,861,477.26, 1,488,828,840.51 and 583,824,185.58 is: 805,677,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,861,477.26 : 1,488,828,840.51 = 583,824,185.58 : x
  2. Step 2: Convert to fraction form
    1,078,861,477.26/1,488,828,840.51 = 583,824,185.58/x
  3. Step 3: Cross multiply
    1,078,861,477.26x = 1,488,828,840.51 × 583,824,185.58
  4. Step 4: Simplify right side
    1,078,861,477.26x = 869,214,285,278,766,464
  5. Step 5: Solve for x
    x = 869,214,285,278,766,464/1,078,861,477.26
  6. Step 6: Final answer
    x = 805,677,377.12

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Double scale
Find fourth proportional to 1,078,861,478.26, 1,488,828,841.89 and 583,824,186.58
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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.