Home / 830,087,998.40-1,243,788,304.80-522,830,244.80

Finding the Fourth Proportional to 830,087,998.40, 1,243,788,304.80 and 522,830,244.80

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Solution

The fourth proportional to 830,087,998.40, 1,243,788,304.80 and 522,830,244.80 is: 783,399,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,087,998.40 : 1,243,788,304.80 = 522,830,244.80 : x
  2. Step 2: Convert to fraction form
    830,087,998.40/1,243,788,304.80 = 522,830,244.80/x
  3. Step 3: Cross multiply
    830,087,998.40x = 1,243,788,304.80 × 522,830,244.80
  4. Step 4: Simplify right side
    830,087,998.40x = 650,290,143,877,960,960
  5. Step 5: Solve for x
    x = 650,290,143,877,960,960/830,087,998.40
  6. Step 6: Final answer
    x = 783,399,043.39

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Double scale
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1.5x scale

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.