Home / 451,119,721,742.70-676,957,913,864.36-209,051,711,919.86

Finding the Fourth Proportional to 451,119,721,742.70, 676,957,913,864.36 and 209,051,711,919.86

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Solution

The fourth proportional to 451,119,721,742.70, 676,957,913,864.36 and 209,051,711,919.86 is: 313,706,548,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,119,721,742.70 : 676,957,913,864.36 = 209,051,711,919.86 : x
  2. Step 2: Convert to fraction form
    451,119,721,742.70/676,957,913,864.36 = 209,051,711,919.86/x
  3. Step 3: Cross multiply
    451,119,721,742.70x = 676,957,913,864.36 × 209,051,711,919.86
  4. Step 4: Simplify right side
    451,119,721,742.70x = 141,519,210,791,041,578,827,776
  5. Step 5: Solve for x
    x = 141,519,210,791,041,578,827,776/451,119,721,742.70
  6. Step 6: Final answer
    x = 313,706,548,329.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.