Home / 808,572,580.56-1,115,830,906.47-437,294,612.34

Finding the Fourth Proportional to 808,572,580.56, 1,115,830,906.47 and 437,294,612.34

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Solution

The fourth proportional to 808,572,580.56, 1,115,830,906.47 and 437,294,612.34 is: 603,466,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,572,580.56 : 1,115,830,906.47 = 437,294,612.34 : x
  2. Step 2: Convert to fraction form
    808,572,580.56/1,115,830,906.47 = 437,294,612.34/x
  3. Step 3: Cross multiply
    808,572,580.56x = 1,115,830,906.47 × 437,294,612.34
  4. Step 4: Simplify right side
    808,572,580.56x = 487,946,843,681,789,440
  5. Step 5: Solve for x
    x = 487,946,843,681,789,440/808,572,580.56
  6. Step 6: Final answer
    x = 603,466,968.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.