Home / 1,441,555,783.18-1,989,495,253.38-877,080,738.64

Finding the Fourth Proportional to 1,441,555,783.18, 1,989,495,253.38 and 877,080,738.64

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Solution

The fourth proportional to 1,441,555,783.18, 1,989,495,253.38 and 877,080,738.64 is: 1,210,461,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,555,783.18 : 1,989,495,253.38 = 877,080,738.64 : x
  2. Step 2: Convert to fraction form
    1,441,555,783.18/1,989,495,253.38 = 877,080,738.64/x
  3. Step 3: Cross multiply
    1,441,555,783.18x = 1,989,495,253.38 × 877,080,738.64
  4. Step 4: Simplify right side
    1,441,555,783.18x = 1,744,947,966,355,304,448
  5. Step 5: Solve for x
    x = 1,744,947,966,355,304,448/1,441,555,783.18
  6. Step 6: Final answer
    x = 1,210,461,632.30

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Double scale
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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.