Home / 642,157,825,103.36-885,960,893,269.12-364,030,550,851.84

Finding the Fourth Proportional to 642,157,825,103.36, 885,960,893,269.12 and 364,030,550,851.84

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Solution

The fourth proportional to 642,157,825,103.36, 885,960,893,269.12 and 364,030,550,851.84 is: 502,239,199,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,157,825,103.36 : 885,960,893,269.12 = 364,030,550,851.84 : x
  2. Step 2: Convert to fraction form
    642,157,825,103.36/885,960,893,269.12 = 364,030,550,851.84/x
  3. Step 3: Cross multiply
    642,157,825,103.36x = 885,960,893,269.12 × 364,030,550,851.84
  4. Step 4: Simplify right side
    642,157,825,103.36x = 322,516,832,009,946,004,455,424
  5. Step 5: Solve for x
    x = 322,516,832,009,946,004,455,424/642,157,825,103.36
  6. Step 6: Final answer
    x = 502,239,199,464.77

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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.