Home / 319,124,706,415.05-440,388,829,678.20-176,554,986,829.77

Finding the Fourth Proportional to 319,124,706,415.05, 440,388,829,678.20 and 176,554,986,829.77

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Solution

The fourth proportional to 319,124,706,415.05, 440,388,829,678.20 and 176,554,986,829.77 is: 243,644,075,375.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,124,706,415.05 : 440,388,829,678.20 = 176,554,986,829.77 : x
  2. Step 2: Convert to fraction form
    319,124,706,415.05/440,388,829,678.20 = 176,554,986,829.77/x
  3. Step 3: Cross multiply
    319,124,706,415.05x = 440,388,829,678.20 × 176,554,986,829.77
  4. Step 4: Simplify right side
    319,124,706,415.05x = 77,752,844,023,812,417,650,688
  5. Step 5: Solve for x
    x = 77,752,844,023,812,417,650,688/319,124,706,415.05
  6. Step 6: Final answer
    x = 243,644,075,375.00

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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.