Home / 840,465,707.11-1,262,611,748.23-608,013,413.71

Finding the Fourth Proportional to 840,465,707.11, 1,262,611,748.23 and 608,013,413.71

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Solution

The fourth proportional to 840,465,707.11, 1,262,611,748.23 and 608,013,413.71 is: 913,404,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,465,707.11 : 1,262,611,748.23 = 608,013,413.71 : x
  2. Step 2: Convert to fraction form
    840,465,707.11/1,262,611,748.23 = 608,013,413.71/x
  3. Step 3: Cross multiply
    840,465,707.11x = 1,262,611,748.23 × 608,013,413.71
  4. Step 4: Simplify right side
    840,465,707.11x = 767,684,879,226,996,736
  5. Step 5: Solve for x
    x = 767,684,879,226,996,736/840,465,707.11
  6. Step 6: Final answer
    x = 913,404,167.16

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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.