Home / 859,413,669,705.27-1,185,994,551,340.80-468,788,746,128.21

Finding the Fourth Proportional to 859,413,669,705.27, 1,185,994,551,340.80 and 468,788,746,128.21

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Solution

The fourth proportional to 859,413,669,705.27, 1,185,994,551,340.80 and 468,788,746,128.21 is: 646,930,480,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,413,669,705.27 : 1,185,994,551,340.80 = 468,788,746,128.21 : x
  2. Step 2: Convert to fraction form
    859,413,669,705.27/1,185,994,551,340.80 = 468,788,746,128.21/x
  3. Step 3: Cross multiply
    859,413,669,705.27x = 1,185,994,551,340.80 × 468,788,746,128.21
  4. Step 4: Simplify right side
    859,413,669,705.27x = 555,980,898,637,942,632,742,912
  5. Step 5: Solve for x
    x = 555,980,898,637,942,632,742,912/859,413,669,705.27
  6. Step 6: Final answer
    x = 646,930,480,904.05

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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.