Home / 208,459,989,521.48-287,658,997,998.25-116,990,874,686.82

Finding the Fourth Proportional to 208,459,989,521.48, 287,658,997,998.25 and 116,990,874,686.82

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Solution

The fourth proportional to 208,459,989,521.48, 287,658,997,998.25 and 116,990,874,686.82 is: 161,438,546,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,459,989,521.48 : 287,658,997,998.25 = 116,990,874,686.82 : x
  2. Step 2: Convert to fraction form
    208,459,989,521.48/287,658,997,998.25 = 116,990,874,686.82/x
  3. Step 3: Cross multiply
    208,459,989,521.48x = 287,658,997,998.25 × 116,990,874,686.82
  4. Step 4: Simplify right side
    208,459,989,521.48x = 33,653,477,787,349,473,558,528
  5. Step 5: Solve for x
    x = 33,653,477,787,349,473,558,528/208,459,989,521.48
  6. Step 6: Final answer
    x = 161,438,546,862.64

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1.5x scale

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.