Home / 1,505,941,169.58-2,078,249,281.74-836,914,412.52

Finding the Fourth Proportional to 1,505,941,169.58, 2,078,249,281.74 and 836,914,412.52

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Solution

The fourth proportional to 1,505,941,169.58, 2,078,249,281.74 and 836,914,412.52 is: 1,154,969,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,941,169.58 : 2,078,249,281.74 = 836,914,412.52 : x
  2. Step 2: Convert to fraction form
    1,505,941,169.58/2,078,249,281.74 = 836,914,412.52/x
  3. Step 3: Cross multiply
    1,505,941,169.58x = 2,078,249,281.74 × 836,914,412.52
  4. Step 4: Simplify right side
    1,505,941,169.58x = 1,739,316,776,697,543,936
  5. Step 5: Solve for x
    x = 1,739,316,776,697,543,936/1,505,941,169.58
  6. Step 6: Final answer
    x = 1,154,969,936.30

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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.