Home / 998,472,038.80-1,497,110,861.40-514,742,630.80

Finding the Fourth Proportional to 998,472,038.80, 1,497,110,861.40 and 514,742,630.80

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Solution

The fourth proportional to 998,472,038.80, 1,497,110,861.40 and 514,742,630.80 is: 771,806,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,472,038.80 : 1,497,110,861.40 = 514,742,630.80 : x
  2. Step 2: Convert to fraction form
    998,472,038.80/1,497,110,861.40 = 514,742,630.80/x
  3. Step 3: Cross multiply
    998,472,038.80x = 1,497,110,861.40 × 514,742,630.80
  4. Step 4: Simplify right side
    998,472,038.80x = 770,626,783,396,290,176
  5. Step 5: Solve for x
    x = 770,626,783,396,290,176/998,472,038.80
  6. Step 6: Final answer
    x = 771,806,073.13

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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.