Home / 651,607,772.40-977,411,658.60-191,592,442.80

Finding the Fourth Proportional to 651,607,772.40, 977,411,658.60 and 191,592,442.80

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Solution

The fourth proportional to 651,607,772.40, 977,411,658.60 and 191,592,442.80 is: 287,388,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,607,772.40 : 977,411,658.60 = 191,592,442.80 : x
  2. Step 2: Convert to fraction form
    651,607,772.40/977,411,658.60 = 191,592,442.80/x
  3. Step 3: Cross multiply
    651,607,772.40x = 977,411,658.60 × 191,592,442.80
  4. Step 4: Simplify right side
    651,607,772.40x = 187,264,687,292,373,632
  5. Step 5: Solve for x
    x = 187,264,687,292,373,632/651,607,772.40
  6. Step 6: Final answer
    x = 287,388,664.20

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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.