Home / 452,495,280.60-678,742,920.90-179,866,047.60

Finding the Fourth Proportional to 452,495,280.60, 678,742,920.90 and 179,866,047.60

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Solution

The fourth proportional to 452,495,280.60, 678,742,920.90 and 179,866,047.60 is: 269,799,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,495,280.60 : 678,742,920.90 = 179,866,047.60 : x
  2. Step 2: Convert to fraction form
    452,495,280.60/678,742,920.90 = 179,866,047.60/x
  3. Step 3: Cross multiply
    452,495,280.60x = 678,742,920.90 × 179,866,047.60
  4. Step 4: Simplify right side
    452,495,280.60x = 122,082,806,518,762,432
  5. Step 5: Solve for x
    x = 122,082,806,518,762,432/452,495,280.60
  6. Step 6: Final answer
    x = 269,799,071.40

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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.