Home / 567,878,442.80-851,817,664.20-292,379,428.40

Finding the Fourth Proportional to 567,878,442.80, 851,817,664.20 and 292,379,428.40

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Solution

The fourth proportional to 567,878,442.80, 851,817,664.20 and 292,379,428.40 is: 438,569,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,878,442.80 : 851,817,664.20 = 292,379,428.40 : x
  2. Step 2: Convert to fraction form
    567,878,442.80/851,817,664.20 = 292,379,428.40/x
  3. Step 3: Cross multiply
    567,878,442.80x = 851,817,664.20 × 292,379,428.40
  4. Step 4: Simplify right side
    567,878,442.80x = 249,053,961,759,819,136
  5. Step 5: Solve for x
    x = 249,053,961,759,819,136/567,878,442.80
  6. Step 6: Final answer
    x = 438,569,142.60

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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.