Home / 578,768,750.80-868,153,126.20-534,426,888.40

Finding the Fourth Proportional to 578,768,750.80, 868,153,126.20 and 534,426,888.40

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Solution

The fourth proportional to 578,768,750.80, 868,153,126.20 and 534,426,888.40 is: 801,640,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,768,750.80 : 868,153,126.20 = 534,426,888.40 : x
  2. Step 2: Convert to fraction form
    578,768,750.80/868,153,126.20 = 534,426,888.40/x
  3. Step 3: Cross multiply
    578,768,750.80x = 868,153,126.20 × 534,426,888.40
  4. Step 4: Simplify right side
    578,768,750.80x = 463,964,373,889,798,528
  5. Step 5: Solve for x
    x = 463,964,373,889,798,528/578,768,750.80
  6. Step 6: Final answer
    x = 801,640,332.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.