Home / 1,866,518,875.91-2,797,822,617.05-869,718,095.13

Finding the Fourth Proportional to 1,866,518,875.91, 2,797,822,617.05 and 869,718,095.13

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Solution

The fourth proportional to 1,866,518,875.91, 2,797,822,617.05 and 869,718,095.13 is: 1,303,665,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,518,875.91 : 2,797,822,617.05 = 869,718,095.13 : x
  2. Step 2: Convert to fraction form
    1,866,518,875.91/2,797,822,617.05 = 869,718,095.13/x
  3. Step 3: Cross multiply
    1,866,518,875.91x = 2,797,822,617.05 × 869,718,095.13
  4. Step 4: Simplify right side
    1,866,518,875.91x = 2,433,316,957,007,537,152
  5. Step 5: Solve for x
    x = 2,433,316,957,007,537,152/1,866,518,875.91
  6. Step 6: Final answer
    x = 1,303,665,871.49

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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.