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Finding the Fourth Proportional to 534,870,030.60, 750,178,531.80 and 534,870,030.60

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Solution

The fourth proportional to 534,870,030.60, 750,178,531.80 and 534,870,030.60 is: 750,178,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,870,030.60 : 750,178,531.80 = 534,870,030.60 : x
  2. Step 2: Convert to fraction form
    534,870,030.60/750,178,531.80 = 534,870,030.60/x
  3. Step 3: Cross multiply
    534,870,030.60x = 750,178,531.80 × 534,870,030.60
  4. Step 4: Simplify right side
    534,870,030.60x = 401,248,014,259,329,088
  5. Step 5: Solve for x
    x = 401,248,014,259,329,088/534,870,030.60
  6. Step 6: Final answer
    x = 750,178,531.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.