Home / 910,491,472,385.51-1,256,479,706,505.80-498,894,552,578.46

Finding the Fourth Proportional to 910,491,472,385.51, 1,256,479,706,505.80 and 498,894,552,578.46

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Solution

The fourth proportional to 910,491,472,385.51, 1,256,479,706,505.80 and 498,894,552,578.46 is: 688,475,290,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,491,472,385.51 : 1,256,479,706,505.80 = 498,894,552,578.46 : x
  2. Step 2: Convert to fraction form
    910,491,472,385.51/1,256,479,706,505.80 = 498,894,552,578.46/x
  3. Step 3: Cross multiply
    910,491,472,385.51x = 1,256,479,706,505.80 × 498,894,552,578.46
  4. Step 4: Simplify right side
    910,491,472,385.51x = 626,850,881,001,125,878,693,888
  5. Step 5: Solve for x
    x = 626,850,881,001,125,878,693,888/910,491,472,385.51
  6. Step 6: Final answer
    x = 688,475,290,557.92

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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.