Home / 847,128,510.77-1,168,674,714.59-529,036,521.66

Finding the Fourth Proportional to 847,128,510.77, 1,168,674,714.59 and 529,036,521.66

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Solution

The fourth proportional to 847,128,510.77, 1,168,674,714.59 and 529,036,521.66 is: 729,843,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,128,510.77 : 1,168,674,714.59 = 529,036,521.66 : x
  2. Step 2: Convert to fraction form
    847,128,510.77/1,168,674,714.59 = 529,036,521.66/x
  3. Step 3: Cross multiply
    847,128,510.77x = 1,168,674,714.59 × 529,036,521.66
  4. Step 4: Simplify right side
    847,128,510.77x = 618,271,605,956,041,728
  5. Step 5: Solve for x
    x = 618,271,605,956,041,728/847,128,510.77
  6. Step 6: Final answer
    x = 729,843,935.25

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Double scale
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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.