Home / 717,509,944.20-1,076,264,916.30-654,020,459.40

Finding the Fourth Proportional to 717,509,944.20, 1,076,264,916.30 and 654,020,459.40

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Solution

The fourth proportional to 717,509,944.20, 1,076,264,916.30 and 654,020,459.40 is: 981,030,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,509,944.20 : 1,076,264,916.30 = 654,020,459.40 : x
  2. Step 2: Convert to fraction form
    717,509,944.20/1,076,264,916.30 = 654,020,459.40/x
  3. Step 3: Cross multiply
    717,509,944.20x = 1,076,264,916.30 × 654,020,459.40
  4. Step 4: Simplify right side
    717,509,944.20x = 703,899,274,994,628,480
  5. Step 5: Solve for x
    x = 703,899,274,994,628,480/717,509,944.20
  6. Step 6: Final answer
    x = 981,030,689.10

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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.