Home / 828,822,683.98-1,143,778,957.09-457,547,766.22

Finding the Fourth Proportional to 828,822,683.98, 1,143,778,957.09 and 457,547,766.22

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Solution

The fourth proportional to 828,822,683.98, 1,143,778,957.09 and 457,547,766.22 is: 631,417,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,822,683.98 : 1,143,778,957.09 = 457,547,766.22 : x
  2. Step 2: Convert to fraction form
    828,822,683.98/1,143,778,957.09 = 457,547,766.22/x
  3. Step 3: Cross multiply
    828,822,683.98x = 1,143,778,957.09 × 457,547,766.22
  4. Step 4: Simplify right side
    828,822,683.98x = 523,333,506,861,967,424
  5. Step 5: Solve for x
    x = 523,333,506,861,967,424/828,822,683.98
  6. Step 6: Final answer
    x = 631,417,934.11

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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.