Home / 1,565,708,598.54-2,160,686,407.85-921,992,617.26

Finding the Fourth Proportional to 1,565,708,598.54, 2,160,686,407.85 and 921,992,617.26

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Solution

The fourth proportional to 1,565,708,598.54, 2,160,686,407.85 and 921,992,617.26 is: 1,272,354,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,708,598.54 : 2,160,686,407.85 = 921,992,617.26 : x
  2. Step 2: Convert to fraction form
    1,565,708,598.54/2,160,686,407.85 = 921,992,617.26/x
  3. Step 3: Cross multiply
    1,565,708,598.54x = 2,160,686,407.85 × 921,992,617.26
  4. Step 4: Simplify right side
    1,565,708,598.54x = 1,992,136,916,251,729,152
  5. Step 5: Solve for x
    x = 1,992,136,916,251,729,152/1,565,708,598.54
  6. Step 6: Final answer
    x = 1,272,354,841.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.