Home / 1,931,587,205.53-2,666,168,390.71-1,128,031,458.14

Finding the Fourth Proportional to 1,931,587,205.53, 2,666,168,390.71 and 1,128,031,458.14

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Solution

The fourth proportional to 1,931,587,205.53, 2,666,168,390.71 and 1,128,031,458.14 is: 1,557,020,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,587,205.53 : 2,666,168,390.71 = 1,128,031,458.14 : x
  2. Step 2: Convert to fraction form
    1,931,587,205.53/2,666,168,390.71 = 1,128,031,458.14/x
  3. Step 3: Cross multiply
    1,931,587,205.53x = 2,666,168,390.71 × 1,128,031,458.14
  4. Step 4: Simplify right side
    1,931,587,205.53x = 3,007,521,817,403,227,648
  5. Step 5: Solve for x
    x = 3,007,521,817,403,227,648/1,931,587,205.53
  6. Step 6: Final answer
    x = 1,557,020,987.09

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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.