Home / 530,152,758,477.25-731,613,041,026.90-298,669,055,272.08

Finding the Fourth Proportional to 530,152,758,477.25, 731,613,041,026.90 and 298,669,055,272.08

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Solution

The fourth proportional to 530,152,758,477.25, 731,613,041,026.90 and 298,669,055,272.08 is: 412,164,555,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,152,758,477.25 : 731,613,041,026.90 = 298,669,055,272.08 : x
  2. Step 2: Convert to fraction form
    530,152,758,477.25/731,613,041,026.90 = 298,669,055,272.08/x
  3. Step 3: Cross multiply
    530,152,758,477.25x = 731,613,041,026.90 × 298,669,055,272.08
  4. Step 4: Simplify right side
    530,152,758,477.25x = 218,510,175,788,237,745,815,552
  5. Step 5: Solve for x
    x = 218,510,175,788,237,745,815,552/530,152,758,477.25
  6. Step 6: Final answer
    x = 412,164,555,015.92

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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.