Home / 1,278,018,030.60-1,917,218,627.10-541,086,510.60

Finding the Fourth Proportional to 1,278,018,030.60, 1,917,218,627.10 and 541,086,510.60

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Solution

The fourth proportional to 1,278,018,030.60, 1,917,218,627.10 and 541,086,510.60 is: 811,710,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,018,030.60 : 1,917,218,627.10 = 541,086,510.60 : x
  2. Step 2: Convert to fraction form
    1,278,018,030.60/1,917,218,627.10 = 541,086,510.60/x
  3. Step 3: Cross multiply
    1,278,018,030.60x = 1,917,218,627.10 × 541,086,510.60
  4. Step 4: Simplify right side
    1,278,018,030.60x = 1,037,381,136,994,861,568
  5. Step 5: Solve for x
    x = 1,037,381,136,994,861,568/1,278,018,030.60
  6. Step 6: Final answer
    x = 811,710,877.43

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1.5x scale

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.