Home / 849,989,680,283.90-1,172,985,672,159.40-464,615,565,139.79

Finding the Fourth Proportional to 849,989,680,283.90, 1,172,985,672,159.40 and 464,615,565,139.79

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Solution

The fourth proportional to 849,989,680,283.90, 1,172,985,672,159.40 and 464,615,565,139.79 is: 641,169,432,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,989,680,283.90 : 1,172,985,672,159.40 = 464,615,565,139.79 : x
  2. Step 2: Convert to fraction form
    849,989,680,283.90/1,172,985,672,159.40 = 464,615,565,139.79/x
  3. Step 3: Cross multiply
    849,989,680,283.90x = 1,172,985,672,159.40 × 464,615,565,139.79
  4. Step 4: Simplify right side
    849,989,680,283.90x = 544,987,400,971,215,976,792,064
  5. Step 5: Solve for x
    x = 544,987,400,971,215,976,792,064/849,989,680,283.90
  6. Step 6: Final answer
    x = 641,169,432,538.51

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Double scale
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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.