Home / 1,013,883,153.41-1,398,713,056.34-611,772,612.81

Finding the Fourth Proportional to 1,013,883,153.41, 1,398,713,056.34 and 611,772,612.81

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Solution

The fourth proportional to 1,013,883,153.41, 1,398,713,056.34 and 611,772,612.81 is: 843,977,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,883,153.41 : 1,398,713,056.34 = 611,772,612.81 : x
  2. Step 2: Convert to fraction form
    1,013,883,153.41/1,398,713,056.34 = 611,772,612.81/x
  3. Step 3: Cross multiply
    1,013,883,153.41x = 1,398,713,056.34 × 611,772,612.81
  4. Step 4: Simplify right side
    1,013,883,153.41x = 855,694,341,045,523,584
  5. Step 5: Solve for x
    x = 855,694,341,045,523,584/1,013,883,153.41
  6. Step 6: Final answer
    x = 843,977,275.07

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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.