Home / 489,307,246.80-733,960,870.20-470,495,547.60

Finding the Fourth Proportional to 489,307,246.80, 733,960,870.20 and 470,495,547.60

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Solution

The fourth proportional to 489,307,246.80, 733,960,870.20 and 470,495,547.60 is: 705,743,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,307,246.80 : 733,960,870.20 = 470,495,547.60 : x
  2. Step 2: Convert to fraction form
    489,307,246.80/733,960,870.20 = 470,495,547.60/x
  3. Step 3: Cross multiply
    489,307,246.80x = 733,960,870.20 × 470,495,547.60
  4. Step 4: Simplify right side
    489,307,246.80x = 345,325,321,541,721,536
  5. Step 5: Solve for x
    x = 345,325,321,541,721,536/489,307,246.80
  6. Step 6: Final answer
    x = 705,743,321.40

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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.