Home / 896,831,411.70-1,345,247,117.55-771,995,920.80

Finding the Fourth Proportional to 896,831,411.70, 1,345,247,117.55 and 771,995,920.80

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Solution

The fourth proportional to 896,831,411.70, 1,345,247,117.55 and 771,995,920.80 is: 1,157,993,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,831,411.70 : 1,345,247,117.55 = 771,995,920.80 : x
  2. Step 2: Convert to fraction form
    896,831,411.70/1,345,247,117.55 = 771,995,920.80/x
  3. Step 3: Cross multiply
    896,831,411.70x = 1,345,247,117.55 × 771,995,920.80
  4. Step 4: Simplify right side
    896,831,411.70x = 1,038,525,287,216,557,952
  5. Step 5: Solve for x
    x = 1,038,525,287,216,557,952/896,831,411.70
  6. Step 6: Final answer
    x = 1,157,993,881.20

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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.