Home / 7,123,033,132.60-10,684,550,031.04-4,879,868,501.28

Finding the Fourth Proportional to 7,123,033,132.60, 10,684,550,031.04 and 4,879,868,501.28

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Solution

The fourth proportional to 7,123,033,132.60, 10,684,550,031.04 and 4,879,868,501.28 is: 7,319,802,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,033,132.60 : 10,684,550,031.04 = 4,879,868,501.28 : x
  2. Step 2: Convert to fraction form
    7,123,033,132.60/10,684,550,031.04 = 4,879,868,501.28/x
  3. Step 3: Cross multiply
    7,123,033,132.60x = 10,684,550,031.04 × 4,879,868,501.28
  4. Step 4: Simplify right side
    7,123,033,132.60x = 52,139,199,146,822,344,704
  5. Step 5: Solve for x
    x = 52,139,199,146,822,344,704/7,123,033,132.60
  6. Step 6: Final answer
    x = 7,319,802,979.46

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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.