Home / 290,400,389,666.28-400,752,923,792.40-160,186,306,964.77

Finding the Fourth Proportional to 290,400,389,666.28, 400,752,923,792.40 and 160,186,306,964.77

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Solution

The fourth proportional to 290,400,389,666.28, 400,752,923,792.40 and 160,186,306,964.77 is: 221,057,316,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,400,389,666.28 : 400,752,923,792.40 = 160,186,306,964.77 : x
  2. Step 2: Convert to fraction form
    290,400,389,666.28/400,752,923,792.40 = 160,186,306,964.77/x
  3. Step 3: Cross multiply
    290,400,389,666.28x = 400,752,923,792.40 × 160,186,306,964.77
  4. Step 4: Simplify right side
    290,400,389,666.28x = 64,195,130,867,638,465,462,272
  5. Step 5: Solve for x
    x = 64,195,130,867,638,465,462,272/290,400,389,666.28
  6. Step 6: Final answer
    x = 221,057,316,560.11

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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.