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Finding the Fourth Proportional to 971,031,810.30, 1,456,547,715.45 and 971,031,810.30

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Solution

The fourth proportional to 971,031,810.30, 1,456,547,715.45 and 971,031,810.30 is: 1,456,547,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,031,810.30 : 1,456,547,715.45 = 971,031,810.30 : x
  2. Step 2: Convert to fraction form
    971,031,810.30/1,456,547,715.45 = 971,031,810.30/x
  3. Step 3: Cross multiply
    971,031,810.30x = 1,456,547,715.45 × 971,031,810.30
  4. Step 4: Simplify right side
    971,031,810.30x = 1,414,354,164,921,742,848
  5. Step 5: Solve for x
    x = 1,414,354,164,921,742,848/971,031,810.30
  6. Step 6: Final answer
    x = 1,456,547,715.45

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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.