Home / 813,144,459.36-1,122,155,965.68-441,890,406.24

Finding the Fourth Proportional to 813,144,459.36, 1,122,155,965.68 and 441,890,406.24

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Solution

The fourth proportional to 813,144,459.36, 1,122,155,965.68 and 441,890,406.24 is: 609,817,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,144,459.36 : 1,122,155,965.68 = 441,890,406.24 : x
  2. Step 2: Convert to fraction form
    813,144,459.36/1,122,155,965.68 = 441,890,406.24/x
  3. Step 3: Cross multiply
    813,144,459.36x = 1,122,155,965.68 × 441,890,406.24
  4. Step 4: Simplify right side
    813,144,459.36x = 495,869,955,538,974,720
  5. Step 5: Solve for x
    x = 495,869,955,538,974,720/813,144,459.36
  6. Step 6: Final answer
    x = 609,817,788.01

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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.