Home / 1,089,267,479.06-1,502,983,536.10-649,275,271.70

Finding the Fourth Proportional to 1,089,267,479.06, 1,502,983,536.10 and 649,275,271.70

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Solution

The fourth proportional to 1,089,267,479.06, 1,502,983,536.10 and 649,275,271.70 is: 895,877,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,267,479.06 : 1,502,983,536.10 = 649,275,271.70 : x
  2. Step 2: Convert to fraction form
    1,089,267,479.06/1,502,983,536.10 = 649,275,271.70/x
  3. Step 3: Cross multiply
    1,089,267,479.06x = 1,502,983,536.10 × 649,275,271.70
  4. Step 4: Simplify right side
    1,089,267,479.06x = 975,850,043,752,816,256
  5. Step 5: Solve for x
    x = 975,850,043,752,816,256/1,089,267,479.06
  6. Step 6: Final answer
    x = 895,877,332.72

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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.