Home / 885,743,459,726.40-1,328,486,195,080.80-257,540,201,870.40

Finding the Fourth Proportional to 885,743,459,726.40, 1,328,486,195,080.80 and 257,540,201,870.40

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Solution

The fourth proportional to 885,743,459,726.40, 1,328,486,195,080.80 and 257,540,201,870.40 is: 386,272,796,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,743,459,726.40 : 1,328,486,195,080.80 = 257,540,201,870.40 : x
  2. Step 2: Convert to fraction form
    885,743,459,726.40/1,328,486,195,080.80 = 257,540,201,870.40/x
  3. Step 3: Cross multiply
    885,743,459,726.40x = 1,328,486,195,080.80 × 257,540,201,870.40
  4. Step 4: Simplify right side
    885,743,459,726.40x = 342,138,602,863,148,832,653,312
  5. Step 5: Solve for x
    x = 342,138,602,863,148,832,653,312/885,743,459,726.40
  6. Step 6: Final answer
    x = 386,272,796,153.45

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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.