Home / 863,136,095.40-1,294,704,143.10-779,827,141.80

Finding the Fourth Proportional to 863,136,095.40, 1,294,704,143.10 and 779,827,141.80

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Solution

The fourth proportional to 863,136,095.40, 1,294,704,143.10 and 779,827,141.80 is: 1,169,740,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,136,095.40 : 1,294,704,143.10 = 779,827,141.80 : x
  2. Step 2: Convert to fraction form
    863,136,095.40/1,294,704,143.10 = 779,827,141.80/x
  3. Step 3: Cross multiply
    863,136,095.40x = 1,294,704,143.10 × 779,827,141.80
  4. Step 4: Simplify right side
    863,136,095.40x = 1,009,645,431,390,291,072
  5. Step 5: Solve for x
    x = 1,009,645,431,390,291,072/863,136,095.40
  6. Step 6: Final answer
    x = 1,169,740,712.70

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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.