Home / 7,955,009,547.89-10,978,178,195.14-4,338,230,623.29

Finding the Fourth Proportional to 7,955,009,547.89, 10,978,178,195.14 and 4,338,230,623.29

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Solution

The fourth proportional to 7,955,009,547.89, 10,978,178,195.14 and 4,338,230,623.29 is: 5,986,902,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955,009,547.89 : 10,978,178,195.14 = 4,338,230,623.29 : x
  2. Step 2: Convert to fraction form
    7,955,009,547.89/10,978,178,195.14 = 4,338,230,623.29/x
  3. Step 3: Cross multiply
    7,955,009,547.89x = 10,978,178,195.14 × 4,338,230,623.29
  4. Step 4: Simplify right side
    7,955,009,547.89x = 47,625,868,834,082,217,984
  5. Step 5: Solve for x
    x = 47,625,868,834,082,217,984/7,955,009,547.89
  6. Step 6: Final answer
    x = 5,986,902,787.16

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1.5x scale

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.