Home / 1,186,209,771.32-1,636,969,458.41-657,572,417.84

Finding the Fourth Proportional to 1,186,209,771.32, 1,636,969,458.41 and 657,572,417.84

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Solution

The fourth proportional to 1,186,209,771.32, 1,636,969,458.41 and 657,572,417.84 is: 907,449,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,209,771.32 : 1,636,969,458.41 = 657,572,417.84 : x
  2. Step 2: Convert to fraction form
    1,186,209,771.32/1,636,969,458.41 = 657,572,417.84/x
  3. Step 3: Cross multiply
    1,186,209,771.32x = 1,636,969,458.41 × 657,572,417.84
  4. Step 4: Simplify right side
    1,186,209,771.32x = 1,076,425,964,685,426,304
  5. Step 5: Solve for x
    x = 1,076,425,964,685,426,304/1,186,209,771.32
  6. Step 6: Final answer
    x = 907,449,922.19

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Double scale
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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.