Home / 977,699,356.90-1,349,260,590.81-560,092,352.74

Finding the Fourth Proportional to 977,699,356.90, 1,349,260,590.81 and 560,092,352.74

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Solution

The fourth proportional to 977,699,356.90, 1,349,260,590.81 and 560,092,352.74 is: 772,947,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,699,356.90 : 1,349,260,590.81 = 560,092,352.74 : x
  2. Step 2: Convert to fraction form
    977,699,356.90/1,349,260,590.81 = 560,092,352.74/x
  3. Step 3: Cross multiply
    977,699,356.90x = 1,349,260,590.81 × 560,092,352.74
  4. Step 4: Simplify right side
    977,699,356.90x = 755,710,538,766,135,296
  5. Step 5: Solve for x
    x = 755,710,538,766,135,296/977,699,356.90
  6. Step 6: Final answer
    x = 772,947,771.15

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1.5x scale

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.