Home / 977,808,328.40-1,466,712,492.60-748,225,816.40

Finding the Fourth Proportional to 977,808,328.40, 1,466,712,492.60 and 748,225,816.40

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Solution

The fourth proportional to 977,808,328.40, 1,466,712,492.60 and 748,225,816.40 is: 1,122,338,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,808,328.40 : 1,466,712,492.60 = 748,225,816.40 : x
  2. Step 2: Convert to fraction form
    977,808,328.40/1,466,712,492.60 = 748,225,816.40/x
  3. Step 3: Cross multiply
    977,808,328.40x = 1,466,712,492.60 × 748,225,816.40
  4. Step 4: Simplify right side
    977,808,328.40x = 1,097,432,152,199,713,792
  5. Step 5: Solve for x
    x = 1,097,432,152,199,713,792/977,808,328.40
  6. Step 6: Final answer
    x = 1,122,338,724.60

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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.