Home / 358,525,807.20-537,788,710.80-355,838,421.60

Finding the Fourth Proportional to 358,525,807.20, 537,788,710.80 and 355,838,421.60

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Solution

The fourth proportional to 358,525,807.20, 537,788,710.80 and 355,838,421.60 is: 533,757,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,525,807.20 : 537,788,710.80 = 355,838,421.60 : x
  2. Step 2: Convert to fraction form
    358,525,807.20/537,788,710.80 = 355,838,421.60/x
  3. Step 3: Cross multiply
    358,525,807.20x = 537,788,710.80 × 355,838,421.60
  4. Step 4: Simplify right side
    358,525,807.20x = 191,365,886,005,370,880
  5. Step 5: Solve for x
    x = 191,365,886,005,370,880/358,525,807.20
  6. Step 6: Final answer
    x = 533,757,632.40

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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.