Home / 1,307,178,000.60-1,960,767,000.90-489,184,013.40

Finding the Fourth Proportional to 1,307,178,000.60, 1,960,767,000.90 and 489,184,013.40

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Solution

The fourth proportional to 1,307,178,000.60, 1,960,767,000.90 and 489,184,013.40 is: 733,776,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,178,000.60 : 1,960,767,000.90 = 489,184,013.40 : x
  2. Step 2: Convert to fraction form
    1,307,178,000.60/1,960,767,000.90 = 489,184,013.40/x
  3. Step 3: Cross multiply
    1,307,178,000.60x = 1,960,767,000.90 × 489,184,013.40
  4. Step 4: Simplify right side
    1,307,178,000.60x = 959,175,870,842,543,360
  5. Step 5: Solve for x
    x = 959,175,870,842,543,360/1,307,178,000.60
  6. Step 6: Final answer
    x = 733,776,020.10

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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.