Home / 1,089,936,787.24-1,506,080,266.32-776,126,191.24

Finding the Fourth Proportional to 1,089,936,787.24, 1,506,080,266.32 and 776,126,191.24

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Solution

The fourth proportional to 1,089,936,787.24, 1,506,080,266.32 and 776,126,191.24 is: 1,072,455,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,936,787.24 : 1,506,080,266.32 = 776,126,191.24 : x
  2. Step 2: Convert to fraction form
    1,089,936,787.24/1,506,080,266.32 = 776,126,191.24/x
  3. Step 3: Cross multiply
    1,089,936,787.24x = 1,506,080,266.32 × 776,126,191.24
  4. Step 4: Simplify right side
    1,089,936,787.24x = 1,168,908,340,800,666,368
  5. Step 5: Solve for x
    x = 1,168,908,340,800,666,368/1,089,936,787.24
  6. Step 6: Final answer
    x = 1,072,455,168.49

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Double scale
Find fourth proportional to 1,089,936,788.24, 1,506,080,267.70 and 776,126,192.24
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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.