Home / 1,140,351,071.46-1,573,684,492.05-618,830,303.46

Finding the Fourth Proportional to 1,140,351,071.46, 1,573,684,492.05 and 618,830,303.46

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Solution

The fourth proportional to 1,140,351,071.46, 1,573,684,492.05 and 618,830,303.46 is: 853,985,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,351,071.46 : 1,573,684,492.05 = 618,830,303.46 : x
  2. Step 2: Convert to fraction form
    1,140,351,071.46/1,573,684,492.05 = 618,830,303.46/x
  3. Step 3: Cross multiply
    1,140,351,071.46x = 1,573,684,492.05 × 618,830,303.46
  4. Step 4: Simplify right side
    1,140,351,071.46x = 973,843,651,765,597,440
  5. Step 5: Solve for x
    x = 973,843,651,765,597,440/1,140,351,071.46
  6. Step 6: Final answer
    x = 853,985,826.07

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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.