Home / 910,332,347.94-1,256,262,596.10-492,644,668.32

Finding the Fourth Proportional to 910,332,347.94, 1,256,262,596.10 and 492,644,668.32

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Solution

The fourth proportional to 910,332,347.94, 1,256,262,596.10 and 492,644,668.32 is: 679,851,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,332,347.94 : 1,256,262,596.10 = 492,644,668.32 : x
  2. Step 2: Convert to fraction form
    910,332,347.94/1,256,262,596.10 = 492,644,668.32/x
  3. Step 3: Cross multiply
    910,332,347.94x = 1,256,262,596.10 × 492,644,668.32
  4. Step 4: Simplify right side
    910,332,347.94x = 618,891,069,978,506,624
  5. Step 5: Solve for x
    x = 618,891,069,978,506,624/910,332,347.94
  6. Step 6: Final answer
    x = 679,851,783.12

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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.