Home / 10,112,688,511.80-15,169,032,767.70-6,448,438,246.20

Finding the Fourth Proportional to 10,112,688,511.80, 15,169,032,767.70 and 6,448,438,246.20

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Solution

The fourth proportional to 10,112,688,511.80, 15,169,032,767.70 and 6,448,438,246.20 is: 9,672,657,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112,688,511.80 : 15,169,032,767.70 = 6,448,438,246.20 : x
  2. Step 2: Convert to fraction form
    10,112,688,511.80/15,169,032,767.70 = 6,448,438,246.20/x
  3. Step 3: Cross multiply
    10,112,688,511.80x = 15,169,032,767.70 × 6,448,438,246.20
  4. Step 4: Simplify right side
    10,112,688,511.80x = 97,816,571,057,097,719,808
  5. Step 5: Solve for x
    x = 97,816,571,057,097,719,808/10,112,688,511.80
  6. Step 6: Final answer
    x = 9,672,657,369.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.