Home / 225,113,829,248.96-310,657,084,363.54-128,769,915,711.84

Finding the Fourth Proportional to 225,113,829,248.96, 310,657,084,363.54 and 128,769,915,711.84

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Solution

The fourth proportional to 225,113,829,248.96, 310,657,084,363.54 and 128,769,915,711.84 is: 177,702,483,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,113,829,248.96 : 310,657,084,363.54 = 128,769,915,711.84 : x
  2. Step 2: Convert to fraction form
    225,113,829,248.96/310,657,084,363.54 = 128,769,915,711.84/x
  3. Step 3: Cross multiply
    225,113,829,248.96x = 310,657,084,363.54 × 128,769,915,711.84
  4. Step 4: Simplify right side
    225,113,829,248.96x = 40,003,286,568,779,013,685,248
  5. Step 5: Solve for x
    x = 40,003,286,568,779,013,685,248/225,113,829,248.96
  6. Step 6: Final answer
    x = 177,702,483,682.33

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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.