Home / 1,206,390,054.40-1,809,585,081.60-747,225,030.40

Finding the Fourth Proportional to 1,206,390,054.40, 1,809,585,081.60 and 747,225,030.40

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Solution

The fourth proportional to 1,206,390,054.40, 1,809,585,081.60 and 747,225,030.40 is: 1,120,837,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,390,054.40 : 1,809,585,081.60 = 747,225,030.40 : x
  2. Step 2: Convert to fraction form
    1,206,390,054.40/1,809,585,081.60 = 747,225,030.40/x
  3. Step 3: Cross multiply
    1,206,390,054.40x = 1,809,585,081.60 × 747,225,030.40
  4. Step 4: Simplify right side
    1,206,390,054.40x = 1,352,167,267,609,946,368
  5. Step 5: Solve for x
    x = 1,352,167,267,609,946,368/1,206,390,054.40
  6. Step 6: Final answer
    x = 1,120,837,545.60

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Double scale
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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.