Home / 435,482,318.10-653,223,477.15-432,459,009.30

Finding the Fourth Proportional to 435,482,318.10, 653,223,477.15 and 432,459,009.30

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Solution

The fourth proportional to 435,482,318.10, 653,223,477.15 and 432,459,009.30 is: 648,688,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,482,318.10 : 653,223,477.15 = 432,459,009.30 : x
  2. Step 2: Convert to fraction form
    435,482,318.10/653,223,477.15 = 432,459,009.30/x
  3. Step 3: Cross multiply
    435,482,318.10x = 653,223,477.15 × 432,459,009.30
  4. Step 4: Simplify right side
    435,482,318.10x = 282,492,377,779,790,176
  5. Step 5: Solve for x
    x = 282,492,377,779,790,176/435,482,318.10
  6. Step 6: Final answer
    x = 648,688,513.95

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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.