Home / 885,276,566.40-1,328,292,763.20-424,977,801.60

Finding the Fourth Proportional to 885,276,566.40, 1,328,292,763.20 and 424,977,801.60

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Solution

The fourth proportional to 885,276,566.40, 1,328,292,763.20 and 424,977,801.60 is: 637,648,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,276,566.40 : 1,328,292,763.20 = 424,977,801.60 : x
  2. Step 2: Convert to fraction form
    885,276,566.40/1,328,292,763.20 = 424,977,801.60/x
  3. Step 3: Cross multiply
    885,276,566.40x = 1,328,292,763.20 × 424,977,801.60
  4. Step 4: Simplify right side
    885,276,566.40x = 564,494,938,385,925,440
  5. Step 5: Solve for x
    x = 564,494,938,385,925,440/885,276,566.40
  6. Step 6: Final answer
    x = 637,648,120.16

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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.