Home / 1,039,849,089.76-1,435,145,759.13-658,406,578.49

Finding the Fourth Proportional to 1,039,849,089.76, 1,435,145,759.13 and 658,406,578.49

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Solution

The fourth proportional to 1,039,849,089.76, 1,435,145,759.13 and 658,406,578.49 is: 908,698,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,849,089.76 : 1,435,145,759.13 = 658,406,578.49 : x
  2. Step 2: Convert to fraction form
    1,039,849,089.76/1,435,145,759.13 = 658,406,578.49/x
  3. Step 3: Cross multiply
    1,039,849,089.76x = 1,435,145,759.13 × 658,406,578.49
  4. Step 4: Simplify right side
    1,039,849,089.76x = 944,909,408,903,217,024
  5. Step 5: Solve for x
    x = 944,909,408,903,217,024/1,039,849,089.76
  6. Step 6: Final answer
    x = 908,698,596.95

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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.