Home / 14,918,460,784.92-20,587,371,152.16-8,144,279,363.68

Finding the Fourth Proportional to 14,918,460,784.92, 20,587,371,152.16 and 8,144,279,363.68

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Solution

The fourth proportional to 14,918,460,784.92, 20,587,371,152.16 and 8,144,279,363.68 is: 11,239,048,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918,460,784.92 : 20,587,371,152.16 = 8,144,279,363.68 : x
  2. Step 2: Convert to fraction form
    14,918,460,784.92/20,587,371,152.16 = 8,144,279,363.68/x
  3. Step 3: Cross multiply
    14,918,460,784.92x = 20,587,371,152.16 × 8,144,279,363.68
  4. Step 4: Simplify right side
    14,918,460,784.92x = 167,669,302,026,938,744,832
  5. Step 5: Solve for x
    x = 167,669,302,026,938,744,832/14,918,460,784.92
  6. Step 6: Final answer
    x = 11,239,048,347.16

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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.