Home / 860,580,888.90-1,187,566,547.59-508,270,935.30

Finding the Fourth Proportional to 860,580,888.90, 1,187,566,547.59 and 508,270,935.30

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Solution

The fourth proportional to 860,580,888.90, 1,187,566,547.59 and 508,270,935.30 is: 701,393,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,580,888.90 : 1,187,566,547.59 = 508,270,935.30 : x
  2. Step 2: Convert to fraction form
    860,580,888.90/1,187,566,547.59 = 508,270,935.30/x
  3. Step 3: Cross multiply
    860,580,888.90x = 1,187,566,547.59 × 508,270,935.30
  4. Step 4: Simplify right side
    860,580,888.90x = 603,605,559,874,561,280
  5. Step 5: Solve for x
    x = 603,605,559,874,561,280/860,580,888.90
  6. Step 6: Final answer
    x = 701,393,172.52

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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.