Home / 424,980,013.92-637,655,281.56-148,829,328.12

Finding the Fourth Proportional to 424,980,013.92, 637,655,281.56 and 148,829,328.12

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Solution

The fourth proportional to 424,980,013.92, 637,655,281.56 and 148,829,328.12 is: 223,308,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,980,013.92 : 637,655,281.56 = 148,829,328.12 : x
  2. Step 2: Convert to fraction form
    424,980,013.92/637,655,281.56 = 148,829,328.12/x
  3. Step 3: Cross multiply
    424,980,013.92x = 637,655,281.56 × 148,829,328.12
  4. Step 4: Simplify right side
    424,980,013.92x = 94,901,807,126,744,224
  5. Step 5: Solve for x
    x = 94,901,807,126,744,224/424,980,013.92
  6. Step 6: Final answer
    x = 223,308,871.05

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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.