Home / 1,243,971,962.61-1,716,670,006.70-679,456,726.80

Finding the Fourth Proportional to 1,243,971,962.61, 1,716,670,006.70 and 679,456,726.80

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Solution

The fourth proportional to 1,243,971,962.61, 1,716,670,006.70 and 679,456,726.80 is: 937,644,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,971,962.61 : 1,716,670,006.70 = 679,456,726.80 : x
  2. Step 2: Convert to fraction form
    1,243,971,962.61/1,716,670,006.70 = 679,456,726.80/x
  3. Step 3: Cross multiply
    1,243,971,962.61x = 1,716,670,006.70 × 679,456,726.80
  4. Step 4: Simplify right side
    1,243,971,962.61x = 1,166,402,983,744,718,592
  5. Step 5: Solve for x
    x = 1,166,402,983,744,718,592/1,243,971,962.61
  6. Step 6: Final answer
    x = 937,644,110.00

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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.