Home / 1,089,936,897.16-1,506,080,418.90-776,126,301.16

Finding the Fourth Proportional to 1,089,936,897.16, 1,506,080,418.90 and 776,126,301.16

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Solution

The fourth proportional to 1,089,936,897.16, 1,506,080,418.90 and 776,126,301.16 is: 1,072,455,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,936,897.16 : 1,506,080,418.90 = 776,126,301.16 : x
  2. Step 2: Convert to fraction form
    1,089,936,897.16/1,506,080,418.90 = 776,126,301.16/x
  3. Step 3: Cross multiply
    1,089,936,897.16x = 1,506,080,418.90 × 776,126,301.16
  4. Step 4: Simplify right side
    1,089,936,897.16x = 1,168,908,624,770,360,320
  5. Step 5: Solve for x
    x = 1,168,908,624,770,360,320/1,089,936,897.16
  6. Step 6: Final answer
    x = 1,072,455,320.87

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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.