Home / 1,657,378,630.30-2,486,366,543.85-688,128,223.90

Finding the Fourth Proportional to 1,657,378,630.30, 2,486,366,543.85 and 688,128,223.90

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Solution

The fourth proportional to 1,657,378,630.30, 2,486,366,543.85 and 688,128,223.90 is: 1,032,316,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,378,630.30 : 2,486,366,543.85 = 688,128,223.90 : x
  2. Step 2: Convert to fraction form
    1,657,378,630.30/2,486,366,543.85 = 688,128,223.90/x
  3. Step 3: Cross multiply
    1,657,378,630.30x = 2,486,366,543.85 × 688,128,223.90
  4. Step 4: Simplify right side
    1,657,378,630.30x = 1,710,938,993,783,881,728
  5. Step 5: Solve for x
    x = 1,710,938,993,783,881,728/1,657,378,630.30
  6. Step 6: Final answer
    x = 1,032,316,311.13

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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.