Home / 1,075,706,829,821.40-1,613,843,256,493.40-386,578,454,398.16

Finding the Fourth Proportional to 1,075,706,829,821.40, 1,613,843,256,493.40 and 386,578,454,398.16

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Solution

The fourth proportional to 1,075,706,829,821.40, 1,613,843,256,493.40 and 386,578,454,398.16 is: 579,969,387,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,706,829,821.40 : 1,613,843,256,493.40 = 386,578,454,398.16 : x
  2. Step 2: Convert to fraction form
    1,075,706,829,821.40/1,613,843,256,493.40 = 386,578,454,398.16/x
  3. Step 3: Cross multiply
    1,075,706,829,821.40x = 1,613,843,256,493.40 × 386,578,454,398.16
  4. Step 4: Simplify right side
    1,075,706,829,821.40x = 623,877,031,736,111,811,002,368
  5. Step 5: Solve for x
    x = 623,877,031,736,111,811,002,368/1,075,706,829,821.40
  6. Step 6: Final answer
    x = 579,969,387,978.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.