Home / 7,472,769,172.38-10,312,636,691.48-4,131,482,688.36

Finding the Fourth Proportional to 7,472,769,172.38, 10,312,636,691.48 and 4,131,482,688.36

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Solution

The fourth proportional to 7,472,769,172.38, 10,312,636,691.48 and 4,131,482,688.36 is: 5,701,565,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,769,172.38 : 10,312,636,691.48 = 4,131,482,688.36 : x
  2. Step 2: Convert to fraction form
    7,472,769,172.38/10,312,636,691.48 = 4,131,482,688.36/x
  3. Step 3: Cross multiply
    7,472,769,172.38x = 10,312,636,691.48 × 4,131,482,688.36
  4. Step 4: Simplify right side
    7,472,769,172.38x = 42,606,479,962,144,202,752
  5. Step 5: Solve for x
    x = 42,606,479,962,144,202,752/7,472,769,172.38
  6. Step 6: Final answer
    x = 5,701,565,106.50

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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.