Home / 672,961,644.60-928,688,354.76-371,547,539.04

Finding the Fourth Proportional to 672,961,644.60, 928,688,354.76 and 371,547,539.04

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Solution

The fourth proportional to 672,961,644.60, 928,688,354.76 and 371,547,539.04 is: 512,736,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,961,644.60 : 928,688,354.76 = 371,547,539.04 : x
  2. Step 2: Convert to fraction form
    672,961,644.60/928,688,354.76 = 371,547,539.04/x
  3. Step 3: Cross multiply
    672,961,644.60x = 928,688,354.76 × 371,547,539.04
  4. Step 4: Simplify right side
    672,961,644.60x = 345,051,872,746,184,512
  5. Step 5: Solve for x
    x = 345,051,872,746,184,512/672,961,644.60
  6. Step 6: Final answer
    x = 512,736,313.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.