Home / 756,056,540.80-1,134,084,811.20-710,140,038.40

Finding the Fourth Proportional to 756,056,540.80, 1,134,084,811.20 and 710,140,038.40

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Solution

The fourth proportional to 756,056,540.80, 1,134,084,811.20 and 710,140,038.40 is: 1,065,210,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,056,540.80 : 1,134,084,811.20 = 710,140,038.40 : x
  2. Step 2: Convert to fraction form
    756,056,540.80/1,134,084,811.20 = 710,140,038.40/x
  3. Step 3: Cross multiply
    756,056,540.80x = 1,134,084,811.20 × 710,140,038.40
  4. Step 4: Simplify right side
    756,056,540.80x = 805,359,031,374,424,704
  5. Step 5: Solve for x
    x = 805,359,031,374,424,704/756,056,540.80
  6. Step 6: Final answer
    x = 1,065,210,057.60

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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.