Home / 1,145,114,903.40-1,717,672,355.10-531,495,191.40

Finding the Fourth Proportional to 1,145,114,903.40, 1,717,672,355.10 and 531,495,191.40

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Solution

The fourth proportional to 1,145,114,903.40, 1,717,672,355.10 and 531,495,191.40 is: 797,242,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,114,903.40 : 1,717,672,355.10 = 531,495,191.40 : x
  2. Step 2: Convert to fraction form
    1,145,114,903.40/1,717,672,355.10 = 531,495,191.40/x
  3. Step 3: Cross multiply
    1,145,114,903.40x = 1,717,672,355.10 × 531,495,191.40
  4. Step 4: Simplify right side
    1,145,114,903.40x = 912,934,597,136,363,136
  5. Step 5: Solve for x
    x = 912,934,597,136,363,136/1,145,114,903.40
  6. Step 6: Final answer
    x = 797,242,787.10

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1.5x scale

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.