Home / 877,439,122.80-1,210,880,623.32-475,565,702.10

Finding the Fourth Proportional to 877,439,122.80, 1,210,880,623.32 and 475,565,702.10

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Solution

The fourth proportional to 877,439,122.80, 1,210,880,623.32 and 475,565,702.10 is: 656,288,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,439,122.80 : 1,210,880,623.32 = 475,565,702.10 : x
  2. Step 2: Convert to fraction form
    877,439,122.80/1,210,880,623.32 = 475,565,702.10/x
  3. Step 3: Cross multiply
    877,439,122.80x = 1,210,880,623.32 × 475,565,702.10
  4. Step 4: Simplify right side
    877,439,122.80x = 575,853,293,788,461,440
  5. Step 5: Solve for x
    x = 575,853,293,788,461,440/877,439,122.80
  6. Step 6: Final answer
    x = 656,288,600.34

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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.