Home / 776,827,207.40-1,165,240,811.10-414,030,151.40

Finding the Fourth Proportional to 776,827,207.40, 1,165,240,811.10 and 414,030,151.40

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Solution

The fourth proportional to 776,827,207.40, 1,165,240,811.10 and 414,030,151.40 is: 621,045,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,827,207.40 : 1,165,240,811.10 = 414,030,151.40 : x
  2. Step 2: Convert to fraction form
    776,827,207.40/1,165,240,811.10 = 414,030,151.40/x
  3. Step 3: Cross multiply
    776,827,207.40x = 1,165,240,811.10 × 414,030,151.40
  4. Step 4: Simplify right side
    776,827,207.40x = 482,444,829,437,191,744
  5. Step 5: Solve for x
    x = 482,444,829,437,191,744/776,827,207.40
  6. Step 6: Final answer
    x = 621,045,227.10

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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.