Home / 674,919,258.86-931,389,944.45-377,566,466.74

Finding the Fourth Proportional to 674,919,258.86, 931,389,944.45 and 377,566,466.74

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Solution

The fourth proportional to 674,919,258.86, 931,389,944.45 and 377,566,466.74 is: 521,042,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919,258.86 : 931,389,944.45 = 377,566,466.74 : x
  2. Step 2: Convert to fraction form
    674,919,258.86/931,389,944.45 = 377,566,466.74/x
  3. Step 3: Cross multiply
    674,919,258.86x = 931,389,944.45 × 377,566,466.74
  4. Step 4: Simplify right side
    674,919,258.86x = 351,661,610,478,935,104
  5. Step 5: Solve for x
    x = 351,661,610,478,935,104/674,919,258.86
  6. Step 6: Final answer
    x = 521,042,488.95

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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.