Home / 353,435,175,726.72-487,742,032,006.56-199,112,706,821.76

Finding the Fourth Proportional to 353,435,175,726.72, 487,742,032,006.56 and 199,112,706,821.76

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Solution

The fourth proportional to 353,435,175,726.72, 487,742,032,006.56 and 199,112,706,821.76 is: 274,776,374,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,435,175,726.72 : 487,742,032,006.56 = 199,112,706,821.76 : x
  2. Step 2: Convert to fraction form
    353,435,175,726.72/487,742,032,006.56 = 199,112,706,821.76/x
  3. Step 3: Cross multiply
    353,435,175,726.72x = 487,742,032,006.56 × 199,112,706,821.76
  4. Step 4: Simplify right side
    353,435,175,726.72x = 97,115,636,223,571,675,578,368
  5. Step 5: Solve for x
    x = 97,115,636,223,571,675,578,368/353,435,175,726.72
  6. Step 6: Final answer
    x = 274,776,374,547.01

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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.