Home / 920,700,205.46-1,270,566,793.28-497,313,864.74

Finding the Fourth Proportional to 920,700,205.46, 1,270,566,793.28 and 497,313,864.74

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Solution

The fourth proportional to 920,700,205.46, 1,270,566,793.28 and 497,313,864.74 is: 686,293,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,700,205.46 : 1,270,566,793.28 = 497,313,864.74 : x
  2. Step 2: Convert to fraction form
    920,700,205.46/1,270,566,793.28 = 497,313,864.74/x
  3. Step 3: Cross multiply
    920,700,205.46x = 1,270,566,793.28 × 497,313,864.74
  4. Step 4: Simplify right side
    920,700,205.46x = 631,870,482,371,275,904
  5. Step 5: Solve for x
    x = 631,870,482,371,275,904/920,700,205.46
  6. Step 6: Final answer
    x = 686,293,408.67

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Double scale
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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.