Home / 1,090,532,472.04-1,636,587,933.18-426,644,574.76

Finding the Fourth Proportional to 1,090,532,472.04, 1,636,587,933.18 and 426,644,574.76

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Solution

The fourth proportional to 1,090,532,472.04, 1,636,587,933.18 and 426,644,574.76 is: 640,275,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,532,472.04 : 1,636,587,933.18 = 426,644,574.76 : x
  2. Step 2: Convert to fraction form
    1,090,532,472.04/1,636,587,933.18 = 426,644,574.76/x
  3. Step 3: Cross multiply
    1,090,532,472.04x = 1,636,587,933.18 × 426,644,574.76
  4. Step 4: Simplify right side
    1,090,532,472.04x = 698,241,362,808,928,384
  5. Step 5: Solve for x
    x = 698,241,362,808,928,384/1,090,532,472.04
  6. Step 6: Final answer
    x = 640,275,627.47

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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.