Home / 539,096,909.40-808,645,364.10-517,933,747.80

Finding the Fourth Proportional to 539,096,909.40, 808,645,364.10 and 517,933,747.80

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Solution

The fourth proportional to 539,096,909.40, 808,645,364.10 and 517,933,747.80 is: 776,900,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,096,909.40 : 808,645,364.10 = 517,933,747.80 : x
  2. Step 2: Convert to fraction form
    539,096,909.40/808,645,364.10 = 517,933,747.80/x
  3. Step 3: Cross multiply
    539,096,909.40x = 808,645,364.10 × 517,933,747.80
  4. Step 4: Simplify right side
    539,096,909.40x = 418,824,724,069,408,576
  5. Step 5: Solve for x
    x = 418,824,724,069,408,576/539,096,909.40
  6. Step 6: Final answer
    x = 776,900,621.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.