Home / 275,685,191,039.06-380,445,564,366.10-148,955,644,415.06

Finding the Fourth Proportional to 275,685,191,039.06, 380,445,564,366.10 and 148,955,644,415.06

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Solution

The fourth proportional to 275,685,191,039.06, 380,445,564,366.10 and 148,955,644,415.06 is: 205,558,789,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,685,191,039.06 : 380,445,564,366.10 = 148,955,644,415.06 : x
  2. Step 2: Convert to fraction form
    275,685,191,039.06/380,445,564,366.10 = 148,955,644,415.06/x
  3. Step 3: Cross multiply
    275,685,191,039.06x = 380,445,564,366.10 × 148,955,644,415.06
  4. Step 4: Simplify right side
    275,685,191,039.06x = 56,669,514,205,003,606,130,688
  5. Step 5: Solve for x
    x = 56,669,514,205,003,606,130,688/275,685,191,039.06
  6. Step 6: Final answer
    x = 205,558,789,688.40

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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.