Home / 1,021,634,247,312.40-1,409,190,954,953.90-655,248,118,154.89

Finding the Fourth Proportional to 1,021,634,247,312.40, 1,409,190,954,953.90 and 655,248,118,154.89

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Solution

The fourth proportional to 1,021,634,247,312.40, 1,409,190,954,953.90 and 655,248,118,154.89 is: 903,816,335,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,634,247,312.40 : 1,409,190,954,953.90 = 655,248,118,154.89 : x
  2. Step 2: Convert to fraction form
    1,021,634,247,312.40/1,409,190,954,953.90 = 655,248,118,154.89/x
  3. Step 3: Cross multiply
    1,021,634,247,312.40x = 1,409,190,954,953.90 × 655,248,118,154.89
  4. Step 4: Simplify right side
    1,021,634,247,312.40x = 923,369,721,354,435,245,899,776
  5. Step 5: Solve for x
    x = 923,369,721,354,435,245,899,776/1,021,634,247,312.40
  6. Step 6: Final answer
    x = 903,816,335,233.02

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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.