Home / 932,620,002.40-1,399,776,032.40-472,877,999.20

Finding the Fourth Proportional to 932,620,002.40, 1,399,776,032.40 and 472,877,999.20

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Solution

The fourth proportional to 932,620,002.40, 1,399,776,032.40 and 472,877,999.20 is: 709,745,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,620,002.40 : 1,399,776,032.40 = 472,877,999.20 : x
  2. Step 2: Convert to fraction form
    932,620,002.40/1,399,776,032.40 = 472,877,999.20/x
  3. Step 3: Cross multiply
    932,620,002.40x = 1,399,776,032.40 × 472,877,999.20
  4. Step 4: Simplify right side
    932,620,002.40x = 661,923,289,529,426,432
  5. Step 5: Solve for x
    x = 661,923,289,529,426,432/932,620,002.40
  6. Step 6: Final answer
    x = 709,745,971.38

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1.5x scale

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.