Home / 909,898,427,756.75-1,255,055,217,041.90-585,148,287,744.20

Finding the Fourth Proportional to 909,898,427,756.75, 1,255,055,217,041.90 and 585,148,287,744.20

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Solution

The fourth proportional to 909,898,427,756.75, 1,255,055,217,041.90 and 585,148,287,744.20 is: 807,115,815,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,898,427,756.75 : 1,255,055,217,041.90 = 585,148,287,744.20 : x
  2. Step 2: Convert to fraction form
    909,898,427,756.75/1,255,055,217,041.90 = 585,148,287,744.20/x
  3. Step 3: Cross multiply
    909,898,427,756.75x = 1,255,055,217,041.90 × 585,148,287,744.20
  4. Step 4: Simplify right side
    909,898,427,756.75x = 734,393,411,276,492,916,129,792
  5. Step 5: Solve for x
    x = 734,393,411,276,492,916,129,792/909,898,427,756.75
  6. Step 6: Final answer
    x = 807,115,815,209.24

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Double scale
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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.