Home / 671,330,256.30-1,006,995,384.45-489,931,728.30

Finding the Fourth Proportional to 671,330,256.30, 1,006,995,384.45 and 489,931,728.30

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Solution

The fourth proportional to 671,330,256.30, 1,006,995,384.45 and 489,931,728.30 is: 734,897,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,330,256.30 : 1,006,995,384.45 = 489,931,728.30 : x
  2. Step 2: Convert to fraction form
    671,330,256.30/1,006,995,384.45 = 489,931,728.30/x
  3. Step 3: Cross multiply
    671,330,256.30x = 1,006,995,384.45 × 489,931,728.30
  4. Step 4: Simplify right side
    671,330,256.30x = 493,358,989,093,711,488
  5. Step 5: Solve for x
    x = 493,358,989,093,711,488/671,330,256.30
  6. Step 6: Final answer
    x = 734,897,592.45

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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.