Home / 1,089,636,394.80-1,503,730,127.16-594,631,009.20

Finding the Fourth Proportional to 1,089,636,394.80, 1,503,730,127.16 and 594,631,009.20

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Solution

The fourth proportional to 1,089,636,394.80, 1,503,730,127.16 and 594,631,009.20 is: 820,608,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,636,394.80 : 1,503,730,127.16 = 594,631,009.20 : x
  2. Step 2: Convert to fraction form
    1,089,636,394.80/1,503,730,127.16 = 594,631,009.20/x
  3. Step 3: Cross multiply
    1,089,636,394.80x = 1,503,730,127.16 × 594,631,009.20
  4. Step 4: Simplify right side
    1,089,636,394.80x = 894,164,563,077,595,264
  5. Step 5: Solve for x
    x = 894,164,563,077,595,264/1,089,636,394.80
  6. Step 6: Final answer
    x = 820,608,202.28

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Double scale
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1.5x scale

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.