Home / 1,089,938,113.32-1,506,082,099.05-776,127,519.66

Finding the Fourth Proportional to 1,089,938,113.32, 1,506,082,099.05 and 776,127,519.66

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Solution

The fourth proportional to 1,089,938,113.32, 1,506,082,099.05 and 776,127,519.66 is: 1,072,457,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,938,113.32 : 1,506,082,099.05 = 776,127,519.66 : x
  2. Step 2: Convert to fraction form
    1,089,938,113.32/1,506,082,099.05 = 776,127,519.66/x
  3. Step 3: Cross multiply
    1,089,938,113.32x = 1,506,082,099.05 × 776,127,519.66
  4. Step 4: Simplify right side
    1,089,938,113.32x = 1,168,911,763,940,002,816
  5. Step 5: Solve for x
    x = 1,168,911,763,940,002,816/1,089,938,113.32
  6. Step 6: Final answer
    x = 1,072,457,004.35

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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.