Home / 876,097,134.80-1,314,145,702.20-531,439,931.60

Finding the Fourth Proportional to 876,097,134.80, 1,314,145,702.20 and 531,439,931.60

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Solution

The fourth proportional to 876,097,134.80, 1,314,145,702.20 and 531,439,931.60 is: 797,159,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,097,134.80 : 1,314,145,702.20 = 531,439,931.60 : x
  2. Step 2: Convert to fraction form
    876,097,134.80/1,314,145,702.20 = 531,439,931.60/x
  3. Step 3: Cross multiply
    876,097,134.80x = 1,314,145,702.20 × 531,439,931.60
  4. Step 4: Simplify right side
    876,097,134.80x = 698,389,502,089,602,048
  5. Step 5: Solve for x
    x = 698,389,502,089,602,048/876,097,134.80
  6. Step 6: Final answer
    x = 797,159,897.40

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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.