Home / 1,048,853,246.90-1,447,417,262.48-578,954,443.32

Finding the Fourth Proportional to 1,048,853,246.90, 1,447,417,262.48 and 578,954,443.32

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Solution

The fourth proportional to 1,048,853,246.90, 1,447,417,262.48 and 578,954,443.32 is: 798,957,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,853,246.90 : 1,447,417,262.48 = 578,954,443.32 : x
  2. Step 2: Convert to fraction form
    1,048,853,246.90/1,447,417,262.48 = 578,954,443.32/x
  3. Step 3: Cross multiply
    1,048,853,246.90x = 1,447,417,262.48 × 578,954,443.32
  4. Step 4: Simplify right side
    1,048,853,246.90x = 837,988,655,447,971,968
  5. Step 5: Solve for x
    x = 837,988,655,447,971,968/1,048,853,246.90
  6. Step 6: Final answer
    x = 798,957,011.32

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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.