Home / 869,164,088.30-1,303,746,132.45-665,090,744.30

Finding the Fourth Proportional to 869,164,088.30, 1,303,746,132.45 and 665,090,744.30

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Solution

The fourth proportional to 869,164,088.30, 1,303,746,132.45 and 665,090,744.30 is: 997,636,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,164,088.30 : 1,303,746,132.45 = 665,090,744.30 : x
  2. Step 2: Convert to fraction form
    869,164,088.30/1,303,746,132.45 = 665,090,744.30/x
  3. Step 3: Cross multiply
    869,164,088.30x = 1,303,746,132.45 × 665,090,744.30
  4. Step 4: Simplify right side
    869,164,088.30x = 867,109,485,609,416,832
  5. Step 5: Solve for x
    x = 867,109,485,609,416,832/869,164,088.30
  6. Step 6: Final answer
    x = 997,636,116.45

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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.