Home / 369,129,205.80-553,693,808.70-353,403,023.40

Finding the Fourth Proportional to 369,129,205.80, 553,693,808.70 and 353,403,023.40

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Solution

The fourth proportional to 369,129,205.80, 553,693,808.70 and 353,403,023.40 is: 530,104,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,129,205.80 : 553,693,808.70 = 353,403,023.40 : x
  2. Step 2: Convert to fraction form
    369,129,205.80/553,693,808.70 = 353,403,023.40/x
  3. Step 3: Cross multiply
    369,129,205.80x = 553,693,808.70 × 353,403,023.40
  4. Step 4: Simplify right side
    369,129,205.80x = 195,677,066,032,441,216
  5. Step 5: Solve for x
    x = 195,677,066,032,441,216/369,129,205.80
  6. Step 6: Final answer
    x = 530,104,535.10

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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.