Home / 435,480,515.10-653,220,772.65-432,457,206.30

Finding the Fourth Proportional to 435,480,515.10, 653,220,772.65 and 432,457,206.30

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Solution

The fourth proportional to 435,480,515.10, 653,220,772.65 and 432,457,206.30 is: 648,685,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480,515.10 : 653,220,772.65 = 432,457,206.30 : x
  2. Step 2: Convert to fraction form
    435,480,515.10/653,220,772.65 = 432,457,206.30/x
  3. Step 3: Cross multiply
    435,480,515.10x = 653,220,772.65 × 432,457,206.30
  4. Step 4: Simplify right side
    435,480,515.10x = 282,490,030,437,346,432
  5. Step 5: Solve for x
    x = 282,490,030,437,346,432/435,480,515.10
  6. Step 6: Final answer
    x = 648,685,809.45

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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.