Home / 679,522,721.40-1,018,528,254.90-373,034,791.80

Finding the Fourth Proportional to 679,522,721.40, 1,018,528,254.90 and 373,034,791.80

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Solution

The fourth proportional to 679,522,721.40, 1,018,528,254.90 and 373,034,791.80 is: 559,137,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,522,721.40 : 1,018,528,254.90 = 373,034,791.80 : x
  2. Step 2: Convert to fraction form
    679,522,721.40/1,018,528,254.90 = 373,034,791.80/x
  3. Step 3: Cross multiply
    679,522,721.40x = 1,018,528,254.90 × 373,034,791.80
  4. Step 4: Simplify right side
    679,522,721.40x = 379,946,475,509,038,848
  5. Step 5: Solve for x
    x = 379,946,475,509,038,848/679,522,721.40
  6. Step 6: Final answer
    x = 559,137,264.35

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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.