Home / 828,971,031.80-1,243,456,547.70-586,907,262.20

Finding the Fourth Proportional to 828,971,031.80, 1,243,456,547.70 and 586,907,262.20

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Solution

The fourth proportional to 828,971,031.80, 1,243,456,547.70 and 586,907,262.20 is: 880,360,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,971,031.80 : 1,243,456,547.70 = 586,907,262.20 : x
  2. Step 2: Convert to fraction form
    828,971,031.80/1,243,456,547.70 = 586,907,262.20/x
  3. Step 3: Cross multiply
    828,971,031.80x = 1,243,456,547.70 × 586,907,262.20
  4. Step 4: Simplify right side
    828,971,031.80x = 729,793,678,075,270,784
  5. Step 5: Solve for x
    x = 729,793,678,075,270,784/828,971,031.80
  6. Step 6: Final answer
    x = 880,360,893.30

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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.