Home / 289,653,543.70-434,984,200.35-153,604,647.70

Finding the Fourth Proportional to 289,653,543.70, 434,984,200.35 and 153,604,647.70

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Solution

The fourth proportional to 289,653,543.70, 434,984,200.35 and 153,604,647.70 is: 230,674,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,653,543.70 : 434,984,200.35 = 153,604,647.70 : x
  2. Step 2: Convert to fraction form
    289,653,543.70/434,984,200.35 = 153,604,647.70/x
  3. Step 3: Cross multiply
    289,653,543.70x = 434,984,200.35 × 153,604,647.70
  4. Step 4: Simplify right side
    289,653,543.70x = 66,815,594,849,827,968
  5. Step 5: Solve for x
    x = 66,815,594,849,827,968/289,653,543.70
  6. Step 6: Final answer
    x = 230,674,184.05

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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.