Home / 985,205,683,665.15-1,478,367,566,727.30-531,918,551,439.90

Finding the Fourth Proportional to 985,205,683,665.15, 1,478,367,566,727.30 and 531,918,551,439.90

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Solution

The fourth proportional to 985,205,683,665.15, 1,478,367,566,727.30 and 531,918,551,439.90 is: 798,179,656,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,205,683,665.15 : 1,478,367,566,727.30 = 531,918,551,439.90 : x
  2. Step 2: Convert to fraction form
    985,205,683,665.15/1,478,367,566,727.30 = 531,918,551,439.90/x
  3. Step 3: Cross multiply
    985,205,683,665.15x = 1,478,367,566,727.30 × 531,918,551,439.90
  4. Step 4: Simplify right side
    985,205,683,665.15x = 786,371,134,589,315,196,125,184
  5. Step 5: Solve for x
    x = 786,371,134,589,315,196,125,184/985,205,683,665.15
  6. Step 6: Final answer
    x = 798,179,656,925.92

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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.