Home / 1,063,018,876.80-1,594,528,315.20-489,709,948.80

Finding the Fourth Proportional to 1,063,018,876.80, 1,594,528,315.20 and 489,709,948.80

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Solution

The fourth proportional to 1,063,018,876.80, 1,594,528,315.20 and 489,709,948.80 is: 734,564,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,018,876.80 : 1,594,528,315.20 = 489,709,948.80 : x
  2. Step 2: Convert to fraction form
    1,063,018,876.80/1,594,528,315.20 = 489,709,948.80/x
  3. Step 3: Cross multiply
    1,063,018,876.80x = 1,594,528,315.20 × 489,709,948.80
  4. Step 4: Simplify right side
    1,063,018,876.80x = 780,856,379,596,742,272
  5. Step 5: Solve for x
    x = 780,856,379,596,742,272/1,063,018,876.80
  6. Step 6: Final answer
    x = 734,564,923.20

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Double scale
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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.