Home / 8,756,549,015.40-12,083,888,288.84-4,742,186,665.59

Finding the Fourth Proportional to 8,756,549,015.40, 12,083,888,288.84 and 4,742,186,665.59

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Solution

The fourth proportional to 8,756,549,015.40, 12,083,888,288.84 and 4,742,186,665.59 is: 6,544,136,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,549,015.40 : 12,083,888,288.84 = 4,742,186,665.59 : x
  2. Step 2: Convert to fraction form
    8,756,549,015.40/12,083,888,288.84 = 4,742,186,665.59/x
  3. Step 3: Cross multiply
    8,756,549,015.40x = 12,083,888,288.84 × 4,742,186,665.59
  4. Step 4: Simplify right side
    8,756,549,015.40x = 57,304,053,911,792,500,736
  5. Step 5: Solve for x
    x = 57,304,053,911,792,500,736/8,756,549,015.40
  6. Step 6: Final answer
    x = 6,544,136,715.39

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Double scale
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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.