Home / 914,905,740.84-1,262,577,813.93-497,218,112.34

Finding the Fourth Proportional to 914,905,740.84, 1,262,577,813.93 and 497,218,112.34

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Solution

The fourth proportional to 914,905,740.84, 1,262,577,813.93 and 497,218,112.34 is: 686,165,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,905,740.84 : 1,262,577,813.93 = 497,218,112.34 : x
  2. Step 2: Convert to fraction form
    914,905,740.84/1,262,577,813.93 = 497,218,112.34/x
  3. Step 3: Cross multiply
    914,905,740.84x = 1,262,577,813.93 × 497,218,112.34
  4. Step 4: Simplify right side
    914,905,740.84x = 627,776,557,324,638,336
  5. Step 5: Solve for x
    x = 627,776,557,324,638,336/914,905,740.84
  6. Step 6: Final answer
    x = 686,165,283.81

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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.