Home / 1,779,314,643.47-2,455,454,168.98-986,358,613.25

Finding the Fourth Proportional to 1,779,314,643.47, 2,455,454,168.98 and 986,358,613.25

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Solution

The fourth proportional to 1,779,314,643.47, 2,455,454,168.98 and 986,358,613.25 is: 1,361,174,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,314,643.47 : 2,455,454,168.98 = 986,358,613.25 : x
  2. Step 2: Convert to fraction form
    1,779,314,643.47/2,455,454,168.98 = 986,358,613.25/x
  3. Step 3: Cross multiply
    1,779,314,643.47x = 2,455,454,168.98 × 986,358,613.25
  4. Step 4: Simplify right side
    1,779,314,643.47x = 2,421,958,369,017,716,736
  5. Step 5: Solve for x
    x = 2,421,958,369,017,716,736/1,779,314,643.47
  6. Step 6: Final answer
    x = 1,361,174,864.66

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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.