Home / 732,549,655.40-1,098,966,200.70-214,996,980.20

Finding the Fourth Proportional to 732,549,655.40, 1,098,966,200.70 and 214,996,980.20

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Solution

The fourth proportional to 732,549,655.40, 1,098,966,200.70 and 214,996,980.20 is: 322,537,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,549,655.40 : 1,098,966,200.70 = 214,996,980.20 : x
  2. Step 2: Convert to fraction form
    732,549,655.40/1,098,966,200.70 = 214,996,980.20/x
  3. Step 3: Cross multiply
    732,549,655.40x = 1,098,966,200.70 × 214,996,980.20
  4. Step 4: Simplify right side
    732,549,655.40x = 236,274,414,492,367,136
  5. Step 5: Solve for x
    x = 236,274,414,492,367,136/732,549,655.40
  6. Step 6: Final answer
    x = 322,537,063.19

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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.